203113130310430 has 16 divisors (see below), whose sum is σ = 374106044665584. Its totient is φ = 79355827656000.

The previous prime is 203113130310403. The next prime is 203113130310449. The reversal of 203113130310430 is 34013031311302.

It is a junction number, because it is equal to n+sod(n) for n = 203113130310395 and 203113130310404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236178058071 + ... + 236178058930.

It is an arithmetic number, because the mean of its divisors is an integer number (23381627791599).

Almost surely, 2^{203113130310430} is an apocalyptic number.

203113130310430 is a deficient number, since it is larger than the sum of its proper divisors (170992914355154).

203113130310430 is a wasteful number, since it uses less digits than its factorization.

203113130310430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472356117051.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 203113130310430 its reverse (34013031311302), we get a palindrome (237126161621732).

The spelling of 203113130310430 in words is "two hundred three trillion, one hundred thirteen billion, one hundred thirty million, three hundred ten thousand, four hundred thirty".