312131100001303 has 8 divisors (see below), whose sum is σ = 355311291701376. Its totient is φ = 271418347827000.

The previous prime is 312131100001297. The next prime is 312131100001313. The reversal of 312131100001303 is 303100001131213.

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

It is a de Polignac number, because none of the positive numbers 2^k-312131100001303 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 (312131100001313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616859881173 + ... + 616859881678.

It is an arithmetic number, because the mean of its divisors is an integer number (44413911462672).

Almost surely, 2^{312131100001303} is an apocalyptic number.

312131100001303 is a deficient number, since it is larger than the sum of its proper divisors (43180191700073).

312131100001303 is a wasteful number, since it uses less digits than its factorization.

312131100001303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233719762885.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 312131100001303 its reverse (303100001131213), we get a palindrome (615231101132516).

The spelling of 312131100001303 in words is "three hundred twelve trillion, one hundred thirty-one billion, one hundred million, one thousand, three hundred three".