312023330133021 has 12 divisors (see below), whose sum is σ = 485369624651548. Its totient is φ = 192014357004864.

The previous prime is 312023330132993. The next prime is 312023330133103. The reversal of 312023330133021 is 120331033320213.

312023330133021 is a `hidden beast` number, since 3 + 1 + 2 + 0 + 2 + 3 + 3 + 301 + 330 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 209446338452121 + 102576991680900 = 14472261^2 + 10128030^2 .

It is not a de Polignac number, because 312023330133021 - 2⁵ = 312023330132989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312023330133421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1333433034640 + ... + 1333433034873.

Almost surely, 2^{312023330133021} is an apocalyptic number.

It is an amenable number.

312023330133021 is a deficient number, since it is larger than the sum of its proper divisors (173346294518527).

312023330133021 is a wasteful number, since it uses less digits than its factorization.

312023330133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666866069532 (or 2666866069529 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 312023330133021 its reverse (120331033320213), we get a palindrome (432354363453234).

The spelling of 312023330133021 in words is "three hundred twelve trillion, twenty-three billion, three hundred thirty million, one hundred thirty-three thousand, twenty-one".