31031013134 has 24 divisors (see below), whose sum is σ = 52251290784. Its totient is φ = 13804894400.

The previous prime is 31031013131. The next prime is 31031013149. The reversal of 31031013134 is 43131013013.

It is a super-2 number, since 2×31031013134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031013131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1352747 + ... + 1375494.

It is an arithmetic number, because the mean of its divisors is an integer number (2177137116).

Almost surely, 2^31031013134 is an apocalyptic number.

31031013134 is a deficient number, since it is larger than the sum of its proper divisors (21220277650).

31031013134 is a wasteful number, since it uses less digits than its factorization.

31031013134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728312 (or 2728301 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31031013134 its reverse (43131013013), we get a palindrome (74162026147).

The spelling of 31031013134 in words is "thirty-one billion, thirty-one million, thirteen thousand, one hundred thirty-four".