312312233101021 has 8 divisors (see below), whose sum is σ = 313690028050080. Its totient is φ = 310934455434288.

The previous prime is 312312233101013. The next prime is 312312233101093. The reversal of 312312233101021 is 120101332213213.

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 312312233101021 - 2³ = 312312233101013 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 (312312233141021) 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, 32595730 + ... + 41074396.

It is an arithmetic number, because the mean of its divisors is an integer number (39211253506260).

Almost surely, 2^{312312233101021} is an apocalyptic number.

It is an amenable number.

312312233101021 is a deficient number, since it is larger than the sum of its proper divisors (1377794949059).

312312233101021 is a wasteful number, since it uses less digits than its factorization.

312312233101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8641163.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 312312233101021 its reverse (120101332213213), we get a palindrome (432413565314234).

The spelling of 312312233101021 in words is "three hundred twelve trillion, three hundred twelve billion, two hundred thirty-three million, one hundred one thousand, twenty-one".