203313131002 has 8 divisors (see below), whose sum is σ = 304973536212. Its totient is φ = 101655285600.

The previous prime is 203313130987. The next prime is 203313131041. The reversal of 203313131002 is 200131313302.

It can be written as a sum of positive squares in 2 ways, for example, as 164520283321 + 38792847681 = 405611^2 + 196959^2 .

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, 427249 + ... + 767572.

Almost surely, 2^203313131002 is an apocalyptic number.

203313131002 is a deficient number, since it is larger than the sum of its proper divisors (101660405210).

203313131002 is a wasteful number, since it uses less digits than its factorization.

203313131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279904.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 203313131002 its reverse (200131313302), we get a palindrome (403444444304).

The spelling of 203313131002 in words is "two hundred three billion, three hundred thirteen million, one hundred thirty-one thousand, two".