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31110113311313 = 233467390139493
BaseRepresentation
bin1110001001011011000110…
…10000001011101001010001
311002011002122021201222020112
413010231203100023221101
513034202003001430223
6150055442212051105
76360426416011331
oct704554320135121
9132132567658215
1031110113311313
119a047a7a1a573
1235a5422003a95
1314488955292aa
14797a47a710c1
1538e3a356b778
hex1c4b6340ba51

31110113311313 has 8 divisors (see below), whose sum is σ = 32472090364608. Its totient is φ = 29748916543984.

The previous prime is 31110113311229. The next prime is 31110113311373. The reversal of 31110113311313 is 31311331101113.

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 31110113311313 - 226 = 31110046202449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31110113311373) 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, 194990006 + ... + 195149487.

It is an arithmetic number, because the mean of its divisors is an integer number (4059011295576).

Almost surely, 231110113311313 is an apocalyptic number.

It is an amenable number.

31110113311313 is a deficient number, since it is larger than the sum of its proper divisors (1361977053295).

31110113311313 is a wasteful number, since it uses less digits than its factorization.

31110113311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390142983.

The product of its (nonzero) digits is 243, while the sum is 23.

Adding to 31110113311313 its reverse (31311331101113), we get a palindrome (62421444412426).

The spelling of 31110113311313 in words is "thirty-one trillion, one hundred ten billion, one hundred thirteen million, three hundred eleven thousand, three hundred thirteen".

Divisors: 1 23 3467 79741 390139493 8973208339 1352613622231 31110113311313