203131200233402 has 32 divisors (see below), whose sum is σ = 366622617415680. Its totient is φ = 82458554880240.

The previous prime is 203131200233371. The next prime is 203131200233441. The reversal of 203131200233402 is 204332002131302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71601398 + ... + 74384289.

It is an arithmetic number, because the mean of its divisors is an integer number (11456956794240).

Almost surely, 2^{203131200233402} is an apocalyptic number.

203131200233402 is a deficient number, since it is larger than the sum of its proper divisors (163491417182278).

203131200233402 is a wasteful number, since it uses less digits than its factorization.

203131200233402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145990946.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 203131200233402 its reverse (204332002131302), we get a palindrome (407463202364704).

The spelling of 203131200233402 in words is "two hundred three trillion, one hundred thirty-one billion, two hundred million, two hundred thirty-three thousand, four hundred two".