31013221310132 has 144 divisors (see below), whose sum is σ = 57368345126400. Its totient is φ = 14660213483520.

The previous prime is 31013221310083. The next prime is 31013221310153. The reversal of 31013221310132 is 23101312231013.

It is a junction number, because it is equal to n+sod(n) for n = 31013221310098 and 31013221310107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9718964657 + ... + 9718967847.

It is an arithmetic number, because the mean of its divisors is an integer number (398391285600).

Almost surely, 2^{31013221310132} is an apocalyptic number.

It is an amenable number.

31013221310132 is a deficient number, since it is larger than the sum of its proper divisors (26355123816268).

31013221310132 is a wasteful number, since it uses less digits than its factorization.

31013221310132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3511 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 31013221310132 its reverse (23101312231013), we get a palindrome (54114533541145).

The spelling of 31013221310132 in words is "thirty-one trillion, thirteen billion, two hundred twenty-one million, three hundred ten thousand, one hundred thirty-two".