45316131373 has 2 divisors, whose sum is σ = 45316131374. Its totient is φ = 45316131372.

The previous prime is 45316131361. The next prime is 45316131383. The reversal of 45316131373 is 37313161354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45087426244 + 228705129 = 212338^2 + 15123^2 .

It is a cyclic number.

It is not a de Polignac number, because 45316131373 - 2²¹ = 45314034221 is a prime.

It is a super-2 number, since 2×45316131373² (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 (45316131383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22658065686 + 22658065687.

It is an arithmetic number, because the mean of its divisors is an integer number (22658065687).

Almost surely, 2^45316131373 is an apocalyptic number.

It is an amenable number.

45316131373 is a deficient number, since it is larger than the sum of its proper divisors (1).

45316131373 is an equidigital number, since it uses as much as digits as its factorization.

45316131373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 37.

The spelling of 45316131373 in words is "forty-five billion, three hundred sixteen million, one hundred thirty-one thousand, three hundred seventy-three".