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3331112121313 = 6186715384303
BaseRepresentation
bin110000011110010101110…
…000010011001111100001
3102210110011221010211012121
4300132111300103033201
5414034104200340223
611030143005224241
7462444030564454
oct60362560231741
912713157124177
103331112121313
111074797a50229
12459712862081
131b2179259842
14b732605949b
155b9b34a915d
hex30795c133e1

3331112121313 has 4 divisors (see below), whose sum is σ = 3331118124288. Its totient is φ = 3331106118340.

The previous prime is 3331112121269. The next prime is 3331112121319. The reversal of 3331112121313 is 3131212111333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3331112121313 is a prime.

It is a super-2 number, since 2×33311121213132 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331112121319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073481 + ... + 3310822.

It is an arithmetic number, because the mean of its divisors is an integer number (832779531072).

Almost surely, 23331112121313 is an apocalyptic number.

It is an amenable number.

3331112121313 is a deficient number, since it is larger than the sum of its proper divisors (6002975).

3331112121313 is an equidigital number, since it uses as much as digits as its factorization.

3331112121313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002974.

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

Adding to 3331112121313 its reverse (3131212111333), we get a palindrome (6462324232646).

The spelling of 3331112121313 in words is "three trillion, three hundred thirty-one billion, one hundred twelve million, one hundred twenty-one thousand, three hundred thirteen".

Divisors: 1 618671 5384303 3331112121313