32147377331 has 2 divisors, whose sum is σ = 32147377332. Its totient is φ = 32147377330.

The previous prime is 32147377291. The next prime is 32147377387. The reversal of 32147377331 is 13377374123.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32147377331 is a prime.

It is a super-2 number, since 2×32147377331² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (32147377531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16073688665 + 16073688666.

It is an arithmetic number, because the mean of its divisors is an integer number (16073688666).

Almost surely, 2^32147377331 is an apocalyptic number.

32147377331 is a deficient number, since it is larger than the sum of its proper divisors (1).

32147377331 is an equidigital number, since it uses as much as digits as its factorization.

32147377331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 222264, while the sum is 41.

The spelling of 32147377331 in words is "thirty-two billion, one hundred forty-seven million, three hundred seventy-seven thousand, three hundred thirty-one".