312201310311 has 16 divisors (see below), whose sum is σ = 504567774720. Its totient is φ = 189212915160.

The previous prime is 312201310301. The next prime is 312201310339. The reversal of 312201310311 is 113013102213.

312201310311 is a `hidden beast` number, since 3 + 1 + 220 + 131 + 0 + 311 = 666.

It is not a de Polignac number, because 312201310311 - 2¹⁷ = 312201179239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312201310301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525591135 + ... + 525591728.

It is an arithmetic number, because the mean of its divisors is an integer number (31535485920).

Almost surely, 2^312201310311 is an apocalyptic number.

312201310311 is a deficient number, since it is larger than the sum of its proper divisors (192366464409).

312201310311 is a wasteful number, since it uses less digits than its factorization.

312201310311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051182883 (or 1051182877 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 312201310311 its reverse (113013102213), we get a palindrome (425214412524).

The spelling of 312201310311 in words is "three hundred twelve billion, two hundred one million, three hundred ten thousand, three hundred eleven".