90311321233121 has 8 divisors (see below), whose sum is σ = 90378383114304. Its totient is φ = 90244260811600.

The previous prime is 90311321233037. The next prime is 90311321233139. The reversal of 90311321233121 is 12133212311309.

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 90311321233121 - 2⁴² = 85913274722017 is a prime.

It is a super-2 number, since 2×90311321233121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90311321238121) 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, 144813671 + ... + 145435971.

It is an arithmetic number, because the mean of its divisors is an integer number (11297297889288).

Almost surely, 2^{90311321233121} is an apocalyptic number.

It is an amenable number.

90311321233121 is a deficient number, since it is larger than the sum of its proper divisors (67061881183).

90311321233121 is a wasteful number, since it uses less digits than its factorization.

90311321233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729831.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 90311321233121 in words is "ninety trillion, three hundred eleven billion, three hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty-one".