31403330311012 has 24 divisors (see below), whose sum is σ = 59960487831552. Its totient is φ = 14272175474400.

The previous prime is 31403330310977. The next prime is 31403330311057. The reversal of 31403330311012 is 21011303330413.

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, 51331863 + ... + 51940030.

It is an arithmetic number, because the mean of its divisors is an integer number (2498353659648).

Almost surely, 2^{31403330311012} is an apocalyptic number.

It is an amenable number.

31403330311012 is a deficient number, since it is larger than the sum of its proper divisors (28557157520540).

31403330311012 is a wasteful number, since it uses less digits than its factorization.

31403330311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103278819 (or 103278817 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 31403330311012 its reverse (21011303330413), we get a palindrome (52414633641425).

The spelling of 31403330311012 in words is "thirty-one trillion, four hundred three billion, three hundred thirty million, three hundred eleven thousand, twelve".