1531310131352 has 16 divisors (see below), whose sum is σ = 2871256993440. Its totient is φ = 765641599776.

The previous prime is 1531310131321. The next prime is 1531310131361. The reversal of 1531310131352 is 2531310131351.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191488 + ... + 2117135.

It is an arithmetic number, because the mean of its divisors is an integer number (179453562090).

Almost surely, 2^{1531310131352} is an apocalyptic number.

It is an amenable number.

1531310131352 is a deficient number, since it is larger than the sum of its proper divisors (1339946862088).

1531310131352 is a wasteful number, since it uses less digits than its factorization.

1531310131352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366482 (or 3366478 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

Subtracting 1531310131352 from its reverse (2531310131351), we obtain a palindrome (999999999999).

The spelling of 1531310131352 in words is "one trillion, five hundred thirty-one billion, three hundred ten million, one hundred thirty-one thousand, three hundred fifty-two".