31023130003312 has 20 divisors (see below), whose sum is σ = 61126082423640. Its totient is φ = 15248657119808.

The previous prime is 31023130003199. The next prime is 31023130003337. The reversal of 31023130003312 is 21330003132013.

It is a congruent number.

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, 16431741643 + ... + 16431743530.

It is an arithmetic number, because the mean of its divisors is an integer number (3056304121182).

Almost surely, 2^{31023130003312} is an apocalyptic number.

It is an amenable number.

31023130003312 is a deficient number, since it is larger than the sum of its proper divisors (30102952420328).

31023130003312 is a wasteful number, since it uses less digits than its factorization.

31023130003312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32863485240 (or 32863485234 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31023130003312 its reverse (21330003132013), we get a palindrome (52353133135325).

The spelling of 31023130003312 in words is "thirty-one trillion, twenty-three billion, one hundred thirty million, three thousand, three hundred twelve".