401232131543013 has 32 divisors (see below), whose sum is σ = 563643495613440. Its totient is φ = 253180016570880.

The previous prime is 401232131542973. The next prime is 401232131543161. The reversal of 401232131543013 is 310345131232104.

It is not a de Polignac number, because 401232131543013 - 2¹⁶ = 401232131477477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401232131543213) 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, 530576533 + ... + 531332213.

It is an arithmetic number, because the mean of its divisors is an integer number (17613859237920).

Almost surely, 2^{401232131543013} is an apocalyptic number.

It is an amenable number.

401232131543013 is a deficient number, since it is larger than the sum of its proper divisors (162411364070427).

401232131543013 is a wasteful number, since it uses less digits than its factorization.

401232131543013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764137.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 401232131543013 its reverse (310345131232104), we get a palindrome (711577262775117).

The spelling of 401232131543013 in words is "four hundred one trillion, two hundred thirty-two billion, one hundred thirty-one million, five hundred forty-three thousand, thirteen".