113131302030 has 24 divisors (see below), whose sum is σ = 294141385512. Its totient is φ = 30168347184.

The previous prime is 113131302023. The next prime is 113131302113. The reversal of 113131302030 is 30203131311.

It is a happy number.

It is a super-3 number, since 3×113131302030³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113131301994 and 113131302012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 628507144 + ... + 628507323.

It is an arithmetic number, because the mean of its divisors is an integer number (12255891063).

Almost surely, 2^113131302030 is an apocalyptic number.

113131302030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113131302030 is an abundant number, since it is smaller than the sum of its proper divisors (181010083482).

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

113131302030 is a wasteful number, since it uses less digits than its factorization.

113131302030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257014480 (or 1257014477 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 113131302030 its reverse (30203131311), we get a palindrome (143334433341).

The spelling of 113131302030 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred two thousand, thirty".