90314831 has 4 divisors (see below), whose sum is σ = 91795464. Its totient is φ = 88834200.

The previous prime is 90314827. The next prime is 90314843. The reversal of 90314831 is 13841309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90314831 - 2² = 90314827 is a prime.

It is a super-2 number, since 2×90314831² = 16313537397117122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90314794 and 90314803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90314821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740225 + ... + 740346.

It is an arithmetic number, because the mean of its divisors is an integer number (22948866).

Almost surely, 2^90314831 is an apocalyptic number.

90314831 is a deficient number, since it is larger than the sum of its proper divisors (1480633).

90314831 is a wasteful number, since it uses less digits than its factorization.

90314831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480632.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 90314831 is about 9503.4115453347. The cubic root of 90314831 is about 448.6624165735.

The spelling of 90314831 in words is "ninety million, three hundred fourteen thousand, eight hundred thirty-one".