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1202313343231 = 711213881123941
BaseRepresentation
bin10001011111101111011…
…101011011000011111111
311020221101021200010022101
4101133233131123003333
5124144314203440411
62320200215325531
7152602305536650
oct21375735330377
94227337603271
101202313343231
114239975a1100
121750243808a7
13894ba952360
144229986b527
152141cd458c1
hex117ef75b0ff

1202313343231 has 48 divisors (see below), whose sum is σ = 1628383708224. Its totient is φ = 863812224000.

The previous prime is 1202313343223. The next prime is 1202313343237. The reversal of 1202313343231 is 1323433132021.

It is not a de Polignac number, because 1202313343231 - 23 = 1202313343223 is a prime.

It is a super-2 number, since 2×12023133432312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1202313343231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202313343237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9638721 + ... + 9762661.

It is an arithmetic number, because the mean of its divisors is an integer number (33924660588).

Almost surely, 21202313343231 is an apocalyptic number.

1202313343231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202313343231 is a deficient number, since it is larger than the sum of its proper divisors (426070364993).

1202313343231 is a wasteful number, since it uses less digits than its factorization.

1202313343231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124864 (or 124853 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 1202313343231 its reverse (1323433132021), we get a palindrome (2525746475252).

The spelling of 1202313343231 in words is "one trillion, two hundred two billion, three hundred thirteen million, three hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 7 11 13 77 91 121 143 847 881 1001 1573 6167 9691 11011 11453 67837 80171 106601 123941 125983 746207 867587 881881 1363351 1385813 1611233 9543457 9700691 11278631 14996861 17723563 104978027 109192021 124064941 194959193 764344147 1201112231 1364714351 1419496273 8407785617 9936473911 13212234541 15614459003 92485641787 109301213021 171759049033 1202313343231