30431023431000 has 128 divisors (see below), whose sum is σ = 94949834765760. Its totient is φ = 8114508672000.

The previous prime is 30431023430987. The next prime is 30431023431001. The reversal of 30431023431000 is 13432013403.

It is a super-2 number, since 2×30431023431000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431023431001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58363452 + ... + 58882548.

Almost surely, 2^{30431023431000} is an apocalyptic number.

30431023431000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30431023431000 is an abundant number, since it is smaller than the sum of its proper divisors (64518811334760).

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

30431023431000 is a wasteful number, since it uses less digits than its factorization.

30431023431000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538662 (or 538648 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 30431023431000 its reverse (13432013403), we get a palindrome (30444455444403).

The spelling of 30431023431000 in words is "thirty trillion, four hundred thirty-one billion, twenty-three million, four hundred thirty-one thousand".