203102313000 has 64 divisors (see below), whose sum is σ = 633679225920. Its totient is φ = 54160616000.

The previous prime is 203102312971. The next prime is 203102313017. The reversal of 203102313000 is 313201302.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 33847386 + ... + 33853385.

It is an arithmetic number, because the mean of its divisors is an integer number (9901237905).

Almost surely, 2^203102313000 is an apocalyptic number.

203102313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203102313000 is an abundant number, since it is smaller than the sum of its proper divisors (430576912920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203102313000 is a wasteful number, since it uses less digits than its factorization.

203102313000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67700795 (or 67700781 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 203102313000 its reverse (313201302), we get a palindrome (203415514302).

The spelling of 203102313000 in words is "two hundred three billion, one hundred two million, three hundred thirteen thousand".