331468831 has 4 divisors (see below), whose sum is σ = 332514792. Its totient is φ = 330422872.

The previous prime is 331468783. The next prime is 331468853. The reversal of 331468831 is 138864133.

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 331468831 - 2¹³ = 331460639 is a prime.

It is a super-2 number, since 2×331468831² = 219743171849013122, 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 (331468871) 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, 522505 + ... + 523138.

It is an arithmetic number, because the mean of its divisors is an integer number (83128698).

Almost surely, 2^331468831 is an apocalyptic number.

331468831 is a deficient number, since it is larger than the sum of its proper divisors (1045961).

331468831 is a wasteful number, since it uses less digits than its factorization.

331468831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045960.

The product of its digits is 41472, while the sum is 37.

The square root of 331468831 is about 18206.2854805696. The cubic root of 331468831 is about 692.0660827388.

The spelling of 331468831 in words is "three hundred thirty-one million, four hundred sixty-eight thousand, eight hundred thirty-one".