90322313021 has 8 divisors (see below), whose sum is σ = 90774999744. Its totient is φ = 89870719680.

The previous prime is 90322312979. The next prime is 90322313141. The reversal of 90322313021 is 12031322309.

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 90322313021 - 2³⁴ = 73142443837 is a prime.

It is a super-2 number, since 2×90322313021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90322313621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107465 + ... + 438398.

It is an arithmetic number, because the mean of its divisors is an integer number (11346874968).

Almost surely, 2^90322313021 is an apocalyptic number.

It is an amenable number.

90322313021 is a deficient number, since it is larger than the sum of its proper divisors (452686723).

90322313021 is a wasteful number, since it uses less digits than its factorization.

90322313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546691.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 90322313021 in words is "ninety billion, three hundred twenty-two million, three hundred thirteen thousand, twenty-one".