31321012010 has 16 divisors (see below), whose sum is σ = 56383558272. Its totient is φ = 12527130000.

The previous prime is 31321012001. The next prime is 31321012027. The reversal of 31321012010 is 1021012313.

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, 52766 + ... + 255785.

It is an arithmetic number, because the mean of its divisors is an integer number (3523972392).

Almost surely, 2^31321012010 is an apocalyptic number.

31321012010 is a deficient number, since it is larger than the sum of its proper divisors (25062546262).

31321012010 is a wasteful number, since it uses less digits than its factorization.

31321012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318709.

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

Adding to 31321012010 its reverse (1021012313), we get a palindrome (32342024323).

The spelling of 31321012010 in words is "thirty-one billion, three hundred twenty-one million, twelve thousand, ten".