31301212013330 has 96 divisors (see below), whose sum is σ = 70346887479216. Its totient is φ = 9962195152896.

The previous prime is 31301212013321. The next prime is 31301212013359. The reversal of 31301212013330 is 3331021210313.

It can be written as a sum of positive squares in 8 ways, for example, as 22611575156569 + 8689636856761 = 4755163^2 + 2947819^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31301212013296 and 31301212013305.

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, 25129229 + ... + 26345408.

Almost surely, 2^{31301212013330} is an apocalyptic number.

31301212013330 is an abundant number, since it is smaller than the sum of its proper divisors (39045675465886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31301212013330 is a wasteful number, since it uses less digits than its factorization.

31301212013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51474748 (or 51474741 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31301212013330 its reverse (3331021210313), we get a palindrome (34632233223643).

The spelling of 31301212013330 in words is "thirty-one trillion, three hundred one billion, two hundred twelve million, thirteen thousand, three hundred thirty".