31315403030000 has 50 divisors (see below), whose sum is σ = 75817722300144. Its totient is φ = 12526161208000.

The previous prime is 31315403029991. The next prime is 31315403030053. The reversal of 31315403030000 is 3030451313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1565760152 + ... + 1565780151.

Almost surely, 2^{31315403030000} is an apocalyptic number.

It is an amenable number.

31315403030000 is an abundant number, since it is smaller than the sum of its proper divisors (44502319270144).

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

31315403030000 is an equidigital number, since it uses as much as digits as its factorization.

31315403030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131540331 (or 3131540310 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 31315403030000 its reverse (3030451313), we get a palindrome (31318433481313).

The spelling of 31315403030000 in words is "thirty-one trillion, three hundred fifteen billion, four hundred three million, thirty thousand".