30320131000 has 64 divisors (see below), whose sum is σ = 72866738880. Its totient is φ = 11800252800.

The previous prime is 30320130983. The next prime is 30320131007. The reversal of 30320131000 is 13102303.

It is a super-2 number, since 2×30320131000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320131007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372732 + ... + 446731.

It is an arithmetic number, because the mean of its divisors is an integer number (1138542795).

Almost surely, 2^30320131000 is an apocalyptic number.

It is an amenable number.

30320131000 is an abundant number, since it is smaller than the sum of its proper divisors (42546607880).

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

30320131000 is a wasteful number, since it uses less digits than its factorization.

30320131000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819521 (or 819507 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30320131000 its reverse (13102303), we get a palindrome (30333233303).

The spelling of 30320131000 in words is "thirty billion, three hundred twenty million, one hundred thirty-one thousand".