31603456040413 has 16 divisors (see below), whose sum is σ = 32196749760000. Its totient is φ = 31015012309632.

The previous prime is 31603456040407. The next prime is 31603456040489. The reversal of 31603456040413 is 31404065430613.

It is a cyclic number.

It is not a de Polignac number, because 31603456040413 - 2¹³ = 31603456032221 is a prime.

It is a super-3 number, since 3×31603456040413³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31603456340413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333854313 + ... + 333948961.

It is an arithmetic number, because the mean of its divisors is an integer number (2012296860000).

Almost surely, 2^{31603456040413} is an apocalyptic number.

It is an amenable number.

31603456040413 is a deficient number, since it is larger than the sum of its proper divisors (593293719587).

31603456040413 is a wasteful number, since it uses less digits than its factorization.

31603456040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120204.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 31603456040413 in words is "thirty-one trillion, six hundred three billion, four hundred fifty-six million, forty thousand, four hundred thirteen".