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1312332020211 = 313123323336143
BaseRepresentation
bin10011000110001101000…
…101010111100111110011
311122110100200012222200110
4103012031011113213303
5133000123444121321
62442513233352403
7163545545056152
oct23061505274763
94573320188613
101312332020211
11466614238533
12192409408703
13969a1c8b414
1447735313599
152420b8cc176
hex1318d1579f3

1312332020211 has 32 divisors (see below), whose sum is σ = 1771747540992. Its totient is φ = 863972046080.

The previous prime is 1312332020191. The next prime is 1312332020221. The reversal of 1312332020211 is 1120202332131.

It is a cyclic number.

It is not a de Polignac number, because 1312332020211 - 211 = 1312332018163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312332020221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213627406 + ... + 213633548.

It is an arithmetic number, because the mean of its divisors is an integer number (55367110656).

Almost surely, 21312332020211 is an apocalyptic number.

1312332020211 is a deficient number, since it is larger than the sum of its proper divisors (459415520781).

1312332020211 is a wasteful number, since it uses less digits than its factorization.

1312332020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312332020211 its reverse (1120202332131), we get a palindrome (2432534352342).

The spelling of 1312332020211 in words is "one trillion, three hundred twelve billion, three hundred thirty-two million, twenty thousand, two hundred eleven".

Divisors: 1 3 131 233 393 699 2333 6143 6999 18429 30523 91569 305623 543589 804733 916869 1431319 1630767 2414199 4293957 14331619 42994857 71210159 187502789 213630477 562508367 1877442089 3339267227 5632326267 10017801681 437444006737 1312332020211