31130123110310 has 128 divisors (see below), whose sum is σ = 65127815230464. Its totient is φ = 10493255393280.

The previous prime is 31130123110277. The next prime is 31130123110349. The reversal of 31130123110310 is 1301132103113.

It is a super-2 number, since 2×31130123110310² (a number of 28 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 63 ways as a sum of consecutive naturals, for example, 2801229314 + ... + 2801240426.

It is an arithmetic number, because the mean of its divisors is an integer number (508811056488).

Almost surely, 2^{31130123110310} is an apocalyptic number.

31130123110310 is an abundant number, since it is smaller than the sum of its proper divisors (33997692120154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31130123110310 is a wasteful number, since it uses less digits than its factorization.

31130123110310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13918.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31130123110310 its reverse (1301132103113), we get a palindrome (32431255213423).

The spelling of 31130123110310 in words is "thirty-one trillion, one hundred thirty billion, one hundred twenty-three million, one hundred ten thousand, three hundred ten".