31030110130312 has 16 divisors (see below), whose sum is σ = 58181526009360. Its totient is φ = 15515036527824.

The previous prime is 31030110130303. The next prime is 31030110130373. The reversal of 31030110130312 is 21303101103013.

It is a self number, because there is not a number n which added to its sum of digits gives 31030110130312.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7001443 + ... + 10539469.

It is an arithmetic number, because the mean of its divisors is an integer number (3636345375585).

Almost surely, 2^{31030110130312} is an apocalyptic number.

It is an amenable number.

31030110130312 is a deficient number, since it is larger than the sum of its proper divisors (27151415879048).

31030110130312 is a wasteful number, since it uses less digits than its factorization.

31030110130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634340 (or 4634336 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 31030110130312 its reverse (21303101103013), we get a palindrome (52333211233325).

The spelling of 31030110130312 in words is "thirty-one trillion, thirty billion, one hundred ten million, one hundred thirty thousand, three hundred twelve".