32000400500531 has 2 divisors, whose sum is σ = 32000400500532. Its totient is φ = 32000400500530.

The previous prime is 32000400500513. The next prime is 32000400500569. The reversal of 32000400500531 is 13500500400023.

Together with previous prime (32000400500513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32000400500531 is a prime.

It is a super-2 number, since 2×32000400500531² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32000400500497 and 32000400500506.

It is not a weakly prime, because it can be changed into another prime (32000400500501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16000200250265 + 16000200250266.

It is an arithmetic number, because the mean of its divisors is an integer number (16000200250266).

Almost surely, 2^{32000400500531} is an apocalyptic number.

32000400500531 is a deficient number, since it is larger than the sum of its proper divisors (1).

32000400500531 is an equidigital number, since it uses as much as digits as its factorization.

32000400500531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 23.

Adding to 32000400500531 its reverse (13500500400023), we get a palindrome (45500900900554).

The spelling of 32000400500531 in words is "thirty-two trillion, four hundred million, five hundred thousand, five hundred thirty-one".