204310140230402 has 16 divisors (see below), whose sum is σ = 312256628786232. Its totient is φ = 100224709104000.

The previous prime is 204310140230347. The next prime is 204310140230459. The reversal of 204310140230402 is 204032041013402.

It can be written as a sum of positive squares in 4 ways, for example, as 201776882822761 + 2533257407641 = 14204819^2 + 1591621^2 .

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, 24276203 + ... + 31590414.

Almost surely, 2^{204310140230402} is an apocalyptic number.

204310140230402 is a deficient number, since it is larger than the sum of its proper divisors (107946488555830).

204310140230402 is a wasteful number, since it uses less digits than its factorization.

204310140230402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55901173.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 204310140230402 its reverse (204032041013402), we get a palindrome (408342181243804).

The spelling of 204310140230402 in words is "two hundred four trillion, three hundred ten billion, one hundred forty million, two hundred thirty thousand, four hundred two".