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31322311011313 = 79039674949977
BaseRepresentation
bin1110001111100110010110…
…01110001010101111110001
311002220101100201011000111121
413013303023032022233301
513101141043104330223
6150341134313142241
76411651031500040
oct707631316125761
9132811321130447
1031322311011313
119a86798aa4273
12361a5826ba981
1314628b194041a
147a4017b14557
15394b727b415d
hex1c7ccb38abf1

31322311011313 has 8 divisors (see below), whose sum is σ = 35796973701632. Its totient is φ = 26847660028896.

The previous prime is 31322311011311. The next prime is 31322311011317. The reversal of 31322311011313 is 31311011322313.

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

It is not a de Polignac number, because 31322311011313 - 21 = 31322311011311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322311011311) 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, 3852781 + ... + 8802757.

It is an arithmetic number, because the mean of its divisors is an integer number (4474621712704).

Almost surely, 231322311011313 is an apocalyptic number.

It is an amenable number.

31322311011313 is a deficient number, since it is larger than the sum of its proper divisors (4474662690319).

31322311011313 is an equidigital number, since it uses as much as digits as its factorization.

31322311011313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5853951.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 31322311011313 its reverse (31311011322313), we get a palindrome (62633322333626).

The spelling of 31322311011313 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred eleven million, eleven thousand, three hundred thirteen".

Divisors: 1 7 903967 4949977 6327769 34649839 4474615858759 31322311011313