2331404402 has 8 divisors (see below), whose sum is σ = 3582402012. Its totient is φ = 1137270400.

The previous prime is 2331404399. The next prime is 2331404423. The reversal of 2331404402 is 2044041332.

2331404402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2295272281 + 36132121 = 47909^2 + 6011^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14215799 + ... + 14215962.

Almost surely, 2^2331404402 is an apocalyptic number.

2331404402 is a deficient number, since it is larger than the sum of its proper divisors (1250997610).

2331404402 is a wasteful number, since it uses less digits than its factorization.

2331404402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28431804.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2331404402 is about 48284.6186895993. The cubic root of 2331404402 is about 1325.9868100548.

Adding to 2331404402 its reverse (2044041332), we get a palindrome (4375445734).

The spelling of 2331404402 in words is "two billion, three hundred thirty-one million, four hundred four thousand, four hundred two".