231346402 has 16 divisors (see below), whose sum is σ = 398813760. Its totient is φ = 98593488.

The previous prime is 231346391. The next prime is 231346429. The reversal of 231346402 is 204643132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43653 + ... + 48664.

It is an arithmetic number, because the mean of its divisors is an integer number (24925860).

Almost surely, 2^231346402 is an apocalyptic number.

231346402 is a deficient number, since it is larger than the sum of its proper divisors (167467358).

231346402 is a wasteful number, since it uses less digits than its factorization.

231346402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92505.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 231346402 is about 15210.0756737105. The cubic root of 231346402 is about 613.8857936389.

Adding to 231346402 its reverse (204643132), we get a palindrome (435989534).

The spelling of 231346402 in words is "two hundred thirty-one million, three hundred forty-six thousand, four hundred two".