37928321131 has 2 divisors, whose sum is σ = 37928321132. Its totient is φ = 37928321130.

The previous prime is 37928321077. The next prime is 37928321173. The reversal of 37928321131 is 13112382973.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37928321131 is a prime.

It is a super-2 number, since 2×37928321131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (37928321191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18964160565 + 18964160566.

It is an arithmetic number, because the mean of its divisors is an integer number (18964160566).

Almost surely, 2^37928321131 is an apocalyptic number.

37928321131 is a deficient number, since it is larger than the sum of its proper divisors (1).

37928321131 is an equidigital number, since it uses as much as digits as its factorization.

37928321131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The spelling of 37928321131 in words is "thirty-seven billion, nine hundred twenty-eight million, three hundred twenty-one thousand, one hundred thirty-one".