31361016313 has 6 divisors (see below), whose sum is σ = 34471199882. Its totient is φ = 28510014720.

The previous prime is 31361016289. The next prime is 31361016329.

31361016313 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 21137379769 + 10223636544 = 145387^2 + 101112^2 .

It is not a de Polignac number, because 31361016313 - 2³³ = 22771081721 is a prime.

It is a super-2 number, since 2×31361016313² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31361716313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129590856 + ... + 129591097.

Almost surely, 2^31361016313 is an apocalyptic number.

It is an amenable number.

31361016313 is a deficient number, since it is larger than the sum of its proper divisors (3110183569).

31361016313 is a wasteful number, since it uses less digits than its factorization.

31361016313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259181975 (or 259181964 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

It can be divided in two parts, 313610 and 16313, that added together give a palindrome (329923).

The spelling of 31361016313 in words is "thirty-one billion, three hundred sixty-one million, sixteen thousand, three hundred thirteen".