90631151 has 6 divisors (see below), whose sum is σ = 98139240. Its totient is φ = 83659368.

The previous prime is 90631133. The next prime is 90631153. The reversal of 90631151 is 15113609.

It is not a de Polignac number, because 90631151 - 2²⁶ = 23522287 is a prime.

It is a super-3 number, since 3×90631151³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90631151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90631153) 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 5 ways as a sum of consecutive naturals, for example, 267971 + ... + 268308.

It is an arithmetic number, because the mean of its divisors is an integer number (16356540).

Almost surely, 2^90631151 is an apocalyptic number.

90631151 is a deficient number, since it is larger than the sum of its proper divisors (7508089).

90631151 is a wasteful number, since it uses less digits than its factorization.

90631151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536305 (or 536292 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 90631151 is about 9520.0394431956. The cubic root of 90631151 is about 449.1856068663.

The spelling of 90631151 in words is "ninety million, six hundred thirty-one thousand, one hundred fifty-one".