31133012322313 has 16 divisors (see below), whose sum is σ = 34496195474880. Its totient is φ = 27861449228800.

The previous prime is 31133012322287. The next prime is 31133012322341. The reversal of 31133012322313 is 31322321033113.

It is a happy number.

It is not a de Polignac number, because 31133012322313 - 2¹⁷ = 31133012191241 is a prime.

It is a super-2 number, since 2×31133012322313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31133012322343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69823648 + ... + 70268113.

It is an arithmetic number, because the mean of its divisors is an integer number (2156012217180).

Almost surely, 2^{31133012322313} is an apocalyptic number.

It is an amenable number.

31133012322313 is a deficient number, since it is larger than the sum of its proper divisors (3363183152567).

31133012322313 is a wasteful number, since it uses less digits than its factorization.

31133012322313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140092088.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 31133012322313 its reverse (31322321033113), we get a palindrome (62455333355426).

The spelling of 31133012322313 in words is "thirty-one trillion, one hundred thirty-three billion, twelve million, three hundred twenty-two thousand, three hundred thirteen".