31023110012 has 6 divisors (see below), whose sum is σ = 54290442528. Its totient is φ = 15511555004.

The previous prime is 31023110011. The next prime is 31023110017. The reversal of 31023110012 is 21001132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31023110011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3877888748 + ... + 3877888755.

It is an arithmetic number, because the mean of its divisors is an integer number (9048407088).

Almost surely, 2^31023110012 is an apocalyptic number.

It is an amenable number.

31023110012 is a deficient number, since it is larger than the sum of its proper divisors (23267332516).

31023110012 is a wasteful number, since it uses less digits than its factorization.

31023110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755777507 (or 7755777505 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31023110012 its reverse (21001132013), we get a palindrome (52024242025).

The spelling of 31023110012 in words is "thirty-one billion, twenty-three million, one hundred ten thousand, twelve".