31000330101313 has 16 divisors (see below), whose sum is σ = 32889978291456. Its totient is φ = 29118037628160.

The previous prime is 31000330101281. The next prime is 31000330101383. The reversal of 31000330101313 is 31310103300013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31000330101313 - 2⁵ = 31000330101281 is a prime.

It is a super-2 number, since 2×31000330101313² (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 (31000330101383) 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, 89991720 + ... + 90335542.

It is an arithmetic number, because the mean of its divisors is an integer number (2055623643216).

Almost surely, 2^{31000330101313} is an apocalyptic number.

It is an amenable number.

31000330101313 is a deficient number, since it is larger than the sum of its proper divisors (1889648190143).

31000330101313 is a wasteful number, since it uses less digits than its factorization.

31000330101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354504.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 31000330101313 its reverse (31310103300013), we get a palindrome (62310433401326).

The spelling of 31000330101313 in words is "thirty-one trillion, three hundred thirty million, one hundred one thousand, three hundred thirteen".