316251133553545 has 4 divisors (see below), whose sum is σ = 379501360264260. Its totient is φ = 253000906842832.

The previous prime is 316251133553521. The next prime is 316251133553557. The reversal of 316251133553545 is 545355331152613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 207987046123536 + 108264087430009 = 14421756^2 + 10405003^2 .

It is a cyclic number.

It is not a de Polignac number, because 316251133553545 - 2⁷ = 316251133553417 is a prime.

It is a super-2 number, since 2×316251133553545² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316251133553492 and 316251133553501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31625113355350 + ... + 31625113355359.

It is an arithmetic number, because the mean of its divisors is an integer number (94875340066065).

Almost surely, 2^{316251133553545} is an apocalyptic number.

It is an amenable number.

316251133553545 is a deficient number, since it is larger than the sum of its proper divisors (63250226710715).

316251133553545 is an equidigital number, since it uses as much as digits as its factorization.

316251133553545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63250226710714.

The product of its digits is 12150000, while the sum is 52.

The spelling of 316251133553545 in words is "three hundred sixteen trillion, two hundred fifty-one billion, one hundred thirty-three million, five hundred fifty-three thousand, five hundred forty-five".