312020444133231 has 32 divisors (see below), whose sum is σ = 458958728337408. Its totient is φ = 187691455057920.

The previous prime is 312020444133199. The next prime is 312020444133239. The reversal of 312020444133231 is 132331444020213.

It is not a de Polignac number, because 312020444133231 - 2⁵ = 312020444133199 is a prime.

It is a super-2 number, since 2×312020444133231² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 312020444133192 and 312020444133201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312020444133239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 922056930 + ... + 922395263.

It is an arithmetic number, because the mean of its divisors is an integer number (14342460260544).

Almost surely, 2^{312020444133231} is an apocalyptic number.

312020444133231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

312020444133231 is a deficient number, since it is larger than the sum of its proper divisors (146938284204177).

312020444133231 is a wasteful number, since it uses less digits than its factorization.

312020444133231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844452351.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 312020444133231 its reverse (132331444020213), we get a palindrome (444351888153444).

The spelling of 312020444133231 in words is "three hundred twelve trillion, twenty billion, four hundred forty-four million, one hundred thirty-three thousand, two hundred thirty-one".