313212451551541 has 8 divisors (see below), whose sum is σ = 335362968615960. Its totient is φ = 291475962843648.

The previous prime is 313212451551521. The next prime is 313212451551581. The reversal of 313212451551541 is 145155154212313.

It can be written as a sum of positive squares in 4 ways, for example, as 147082805172900 + 166129646378641 = 12127770^2 + 12889129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313212451551541 - 2⁵ = 313212451551509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313212451551521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103507087566 + ... + 103507090591.

It is an arithmetic number, because the mean of its divisors is an integer number (41920371076995).

Almost surely, 2^{313212451551541} is an apocalyptic number.

It is an amenable number.

313212451551541 is a deficient number, since it is larger than the sum of its proper divisors (22150517064419).

313212451551541 is a wasteful number, since it uses less digits than its factorization.

313212451551541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207014178263.

The product of its digits is 360000, while the sum is 43.

The spelling of 313212451551541 in words is "three hundred thirteen trillion, two hundred twelve billion, four hundred fifty-one million, five hundred fifty-one thousand, five hundred forty-one".