203113020310 has 32 divisors (see below), whose sum is σ = 371608041600. Its totient is φ = 79918500480.

The previous prime is 203113020251. The next prime is 203113020343. The reversal of 203113020310 is 13020311302.

It is a super-2 number, since 2×203113020310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265381 + ... + 690400.

It is an arithmetic number, because the mean of its divisors is an integer number (11612751300).

Almost surely, 2^203113020310 is an apocalyptic number.

203113020310 is a deficient number, since it is larger than the sum of its proper divisors (168495021290).

203113020310 is a wasteful number, since it uses less digits than its factorization.

203113020310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956136.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 203113020310 its reverse (13020311302), we get a palindrome (216133331612).

The spelling of 203113020310 in words is "two hundred three billion, one hundred thirteen million, twenty thousand, three hundred ten".