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1202111320231 = 58715107135559
BaseRepresentation
bin10001011111100011011…
…010110001000010100111
311020220212012112021212001
4101133203122301002213
5124143410444221411
62320124201310131
7152564303425423
oct21374332610247
94226765467761
101202111320231
114238a3557248
12174b88795347
1389487b3a313
144227aabdb83
152140a23bdc1
hex117e36b10a7

1202111320231 has 8 divisors (see below), whose sum is σ = 1204247802240. Its totient is φ = 1199975140728.

The previous prime is 1202111320219. The next prime is 1202111320303. The reversal of 1202111320231 is 1320231112021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1202111320231 - 27 = 1202111320103 is a prime.

It is a super-2 number, since 2×12021113202312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202111320199 and 1202111320208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202111320211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8800030 + ... + 8935588.

It is an arithmetic number, because the mean of its divisors is an integer number (150530975280).

Almost surely, 21202111320231 is an apocalyptic number.

1202111320231 is a deficient number, since it is larger than the sum of its proper divisors (2136482009).

1202111320231 is a wasteful number, since it uses less digits than its factorization.

1202111320231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151253.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1202111320231 its reverse (1320231112021), we get a palindrome (2522342432252).

The spelling of 1202111320231 in words is "one trillion, two hundred two billion, one hundred eleven million, three hundred twenty thousand, two hundred thirty-one".

Divisors: 1 587 15107 135559 8867809 79573133 2047889813 1202111320231