30961120203 has 48 divisors (see below), whose sum is σ = 51877023744. Its totient is φ = 17636667840.

The previous prime is 30961120189. The next prime is 30961120213. The reversal of 30961120203 is 30202116903.

30961120203 is a `hidden beast` number, since 3 + 0 + 9 + 611 + 20 + 20 + 3 = 666.

It is not a de Polignac number, because 30961120203 - 2⁹ = 30961119691 is a prime.

It is a super-2 number, since 2×30961120203² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30961120213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102151 + ... + 268992.

It is an arithmetic number, because the mean of its divisors is an integer number (1080771328).

Almost surely, 2^30961120203 is an apocalyptic number.

30961120203 is a deficient number, since it is larger than the sum of its proper divisors (20915903541).

30961120203 is a wasteful number, since it uses less digits than its factorization.

30961120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371216 (or 371213 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 30961120203 in words is "thirty billion, nine hundred sixty-one million, one hundred twenty thousand, two hundred three".