1031513313504 has 48 divisors (see below), whose sum is σ = 2734531606800. Its totient is φ = 340433433600.

The previous prime is 1031513313469. The next prime is 1031513313517. The reversal of 1031513313504 is 4053133151301.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53183029 + ... + 53202420.

It is an arithmetic number, because the mean of its divisors is an integer number (56969408475).

Almost surely, 2^{1031513313504} is an apocalyptic number.

It is an amenable number.

1031513313504 is an abundant number, since it is smaller than the sum of its proper divisors (1703018293296).

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

1031513313504 is a wasteful number, since it uses less digits than its factorization.

1031513313504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106385563 (or 106385555 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 1031513313504 its reverse (4053133151301), we get a palindrome (5084646464805).

The spelling of 1031513313504 in words is "one trillion, thirty-one billion, five hundred thirteen million, three hundred thirteen thousand, five hundred four".