31240410120413 has 32 divisors (see below), whose sum is σ = 34473869574144. Its totient is φ = 28127457634752.

The previous prime is 31240410120349. The next prime is 31240410120421. The reversal of 31240410120413 is 31402101404213.

It is a cyclic number.

It is not a de Polignac number, because 31240410120413 - 2⁶ = 31240410120349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240410120433) 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, 3032161220 + ... + 3032171522.

It is an arithmetic number, because the mean of its divisors is an integer number (1077308424192).

Almost surely, 2^{31240410120413} is an apocalyptic number.

It is an amenable number.

31240410120413 is a deficient number, since it is larger than the sum of its proper divisors (3233459453731).

31240410120413 is a wasteful number, since it uses less digits than its factorization.

31240410120413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31240410120413 its reverse (31402101404213), we get a palindrome (62642511524626).

The spelling of 31240410120413 in words is "thirty-one trillion, two hundred forty billion, four hundred ten million, one hundred twenty thousand, four hundred thirteen".