30131223000 has 64 divisors (see below), whose sum is σ = 94009425120. Its totient is φ = 8034992000.

The previous prime is 30131222969. The next prime is 30131223043. The reversal of 30131223000 is 32213103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018871 + ... + 5024870.

Almost surely, 2^30131223000 is an apocalyptic number.

30131223000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30131223000 is an abundant number, since it is smaller than the sum of its proper divisors (63878202120).

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

30131223000 is a wasteful number, since it uses less digits than its factorization.

30131223000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10043765 (or 10043751 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30131223000 its reverse (32213103), we get a palindrome (30163436103).

The spelling of 30131223000 in words is "thirty billion, one hundred thirty-one million, two hundred twenty-three thousand".