231402104 has 16 divisors (see below), whose sum is σ = 447875520. Its totient is φ = 111968640.

The previous prime is 231402053. The next prime is 231402109. The reversal of 231402104 is 401204132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231402109) 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, 466289 + ... + 466784.

It is an arithmetic number, because the mean of its divisors is an integer number (27992220).

Almost surely, 2^231402104 is an apocalyptic number.

It is an amenable number.

231402104 is a deficient number, since it is larger than the sum of its proper divisors (216473416).

231402104 is a wasteful number, since it uses less digits than its factorization.

231402104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933110 (or 933106 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231402104 is about 15211.9066523562. The cubic root of 231402104 is about 613.9350587556.

Adding to 231402104 its reverse (401204132), we get a palindrome (632606236).

The spelling of 231402104 in words is "two hundred thirty-one million, four hundred two thousand, one hundred four".