31311320311010 has 16 divisors (see below), whose sum is σ = 56361813967800. Its totient is φ = 12524208700416.

The previous prime is 31311320310971. The next prime is 31311320311021. The reversal of 31311320311010 is 1011302311313.

31311320311010 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30970104276241 + 341216034769 = 5565079^2 + 584137^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39516095 + ... + 40300674.

Almost surely, 2^{31311320311010} is an apocalyptic number.

31311320311010 is a deficient number, since it is larger than the sum of its proper divisors (25050493656790).

31311320311010 is a wasteful number, since it uses less digits than its factorization.

31311320311010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79856005.

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

Adding to 31311320311010 its reverse (1011302311313), we get a palindrome (32322622622323).

The spelling of 31311320311010 in words is "thirty-one trillion, three hundred eleven billion, three hundred twenty million, three hundred eleven thousand, ten".