230031022140 has 72 divisors (see below), whose sum is σ = 697802960400. Its totient is φ = 61337896704.

The previous prime is 230031022103. The next prime is 230031022163. The reversal of 230031022140 is 41220130032.

It is a super-2 number, since 2×230031022140² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4289211 + ... + 4342509.

Almost surely, 2^230031022140 is an apocalyptic number.

230031022140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230031022140 is an abundant number, since it is smaller than the sum of its proper divisors (467771938260).

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

230031022140 is a wasteful number, since it uses less digits than its factorization.

230031022140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77291 (or 77286 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 230031022140 its reverse (41220130032), we get a palindrome (271251152172).

The spelling of 230031022140 in words is "two hundred thirty billion, thirty-one million, twenty-two thousand, one hundred forty".