31132312310 has 16 divisors (see below), whose sum is σ = 61132540752. Its totient is φ = 11320840800.

The previous prime is 31132312297. The next prime is 31132312327. The reversal of 31132312310 is 1321323113.

It is a super-2 number, since 2×31132312310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141510401 + ... + 141510620.

It is an arithmetic number, because the mean of its divisors is an integer number (3820783797).

Almost surely, 2^31132312310 is an apocalyptic number.

31132312310 is a deficient number, since it is larger than the sum of its proper divisors (30000228442).

31132312310 is a wasteful number, since it uses less digits than its factorization.

31132312310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283021039.

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

Adding to 31132312310 its reverse (1321323113), we get a palindrome (32453635423).

The spelling of 31132312310 in words is "thirty-one billion, one hundred thirty-two million, three hundred twelve thousand, three hundred ten".