31123003130210 has 128 divisors (see below), whose sum is σ = 61660781107200. Its totient is φ = 11278712309760.

The previous prime is 31123003130207. The next prime is 31123003130237. The reversal of 31123003130210 is 1203130032113.

It is a super-2 number, since 2×31123003130210² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52666256 + ... + 53253924.

It is an arithmetic number, because the mean of its divisors is an integer number (481724852400).

Almost surely, 2^{31123003130210} is an apocalyptic number.

31123003130210 is a deficient number, since it is larger than the sum of its proper divisors (30537777976990).

31123003130210 is a wasteful number, since it uses less digits than its factorization.

31123003130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587916.

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

Adding to 31123003130210 its reverse (1203130032113), we get a palindrome (32326133162323).

The spelling of 31123003130210 in words is "thirty-one trillion, one hundred twenty-three billion, three million, one hundred thirty thousand, two hundred ten".