468990031 has 4 divisors (see below), whose sum is σ = 472364200. Its totient is φ = 465615864.

The previous prime is 468990023. The next prime is 468990037. The reversal of 468990031 is 130099864.

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 468990031 - 2³ = 468990023 is a prime.

It is a super-2 number, since 2×468990031² = 439903298354761922, which 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 (468990037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1686876 + ... + 1687153.

It is an arithmetic number, because the mean of its divisors is an integer number (118091050).

Almost surely, 2^468990031 is an apocalyptic number.

468990031 is a deficient number, since it is larger than the sum of its proper divisors (3374169).

468990031 is a wasteful number, since it uses less digits than its factorization.

468990031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374168.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 468990031 is about 21656.1776636599. The cubic root of 468990031 is about 776.9406962408.

The spelling of 468990031 in words is "four hundred sixty-eight million, nine hundred ninety thousand, thirty-one".