31240324315413 has 32 divisors (see below), whose sum is σ = 46406085734400. Its totient is φ = 20771034882048.

The previous prime is 31240324315367. The next prime is 31240324315441. The reversal of 31240324315413 is 31451342304213.

31240324315413 is a `hidden beast` number, since 3 + 1 + 2 + 4 + 0 + 324 + 315 + 4 + 13 = 666.

It is not a de Polignac number, because 31240324315413 - 2¹⁰ = 31240324314389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240324313413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157259733 + ... + 157458261.

It is an arithmetic number, because the mean of its divisors is an integer number (1450190179200).

Almost surely, 2^{31240324315413} is an apocalyptic number.

It is an amenable number.

31240324315413 is a deficient number, since it is larger than the sum of its proper divisors (15165761418987).

31240324315413 is a wasteful number, since it uses less digits than its factorization.

31240324315413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214138 (or 214132 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 31240324315413 its reverse (31451342304213), we get a palindrome (62691666619626).

The spelling of 31240324315413 in words is "thirty-one trillion, two hundred forty billion, three hundred twenty-four million, three hundred fifteen thousand, four hundred thirteen".