30113131000 has 32 divisors (see below), whose sum is σ = 70464728880. Its totient is φ = 12045252000.

The previous prime is 30113130979. The next prime is 30113131021. The reversal of 30113131000 is 13131103.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30113130979) and next prime (30113131021).

It is a super-2 number, since 2×30113131000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15055566 + ... + 15057565.

Almost surely, 2^30113131000 is an apocalyptic number.

It is an amenable number.

30113131000 is an abundant number, since it is smaller than the sum of its proper divisors (40351597880).

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

30113131000 is a wasteful number, since it uses less digits than its factorization.

30113131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30113152 (or 30113138 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 30113131000 its reverse (13131103), we get a palindrome (30126262103).

The spelling of 30113131000 in words is "thirty billion, one hundred thirteen million, one hundred thirty-one thousand".