90143074031 has 8 divisors (see below), whose sum is σ = 91815410304. Its totient is φ = 88481924440.

The previous prime is 90143074009. The next prime is 90143074051. The reversal of 90143074031 is 13047034109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90143074031 is a prime.

It is a super-2 number, since 2×90143074031² (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 (90143074051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2780405 + ... + 2812638.

It is an arithmetic number, because the mean of its divisors is an integer number (11476926288).

Almost surely, 2^90143074031 is an apocalyptic number.

90143074031 is a deficient number, since it is larger than the sum of its proper divisors (1672336273).

90143074031 is a wasteful number, since it uses less digits than its factorization.

90143074031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593341.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 90143074031 in words is "ninety billion, one hundred forty-three million, seventy-four thousand, thirty-one".