401231031184 has 15 divisors (see below), whose sum is σ = 777390032017. Its totient is φ = 200614248736.

The previous prime is 401231031161. The next prime is 401231031193. The reversal of 401231031184 is 481130132104.

The square root of 401231031184 is 633428.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 347651744400 + 53579286784 = 589620^2 + 231472^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2454534 + ... + 2612890.

Almost surely, 2^401231031184 is an apocalyptic number.

401231031184 is the 633428-th square number.

It is an amenable number.

401231031184 is a deficient number, since it is larger than the sum of its proper divisors (376159000833).

401231031184 is an frugal number, since it uses more digits than its factorization.

401231031184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316722 (or 158359 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

Multiplying 401231031184 by its product of nonzero digits (2304), we get a square (924436295847936 = 30404544²).

Adding to 401231031184 its reverse (481130132104), we get a palindrome (882361163288).

The spelling of 401231031184 in words is "four hundred one billion, two hundred thirty-one million, thirty-one thousand, one hundred eighty-four".