32740297831 has 2 divisors, whose sum is σ = 32740297832. Its totient is φ = 32740297830.

The previous prime is 32740297783. The next prime is 32740297859. The reversal of 32740297831 is 13879204723.

It is a strong prime.

It is an emirp because it is prime and its reverse (13879204723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32740297831 - 2⁹ = 32740297319 is a prime.

It is a super-2 number, since 2×32740297831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32740297861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16370148915 + 16370148916.

It is an arithmetic number, because the mean of its divisors is an integer number (16370148916).

Almost surely, 2^32740297831 is an apocalyptic number.

32740297831 is a deficient number, since it is larger than the sum of its proper divisors (1).

32740297831 is an equidigital number, since it uses as much as digits as its factorization.

32740297831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 32740297831 in words is "thirty-two billion, seven hundred forty million, two hundred ninety-seven thousand, eight hundred thirty-one".