231003412420 has 48 divisors (see below), whose sum is σ = 530018572608. Its totient is φ = 83872549760.

The previous prime is 231003412417. The next prime is 231003412573. The reversal of 231003412420 is 24214300132.

It is a super-2 number, since 2×231003412420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 231003412391 and 231003412400.

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, 660334 + ... + 947653.

It is an arithmetic number, because the mean of its divisors is an integer number (11042053596).

Almost surely, 2^231003412420 is an apocalyptic number.

231003412420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231003412420 is an abundant number, since it is smaller than the sum of its proper divisors (299015160188).

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

231003412420 is a wasteful number, since it uses less digits than its factorization.

231003412420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608660 (or 1608658 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 231003412420 its reverse (24214300132), we get a palindrome (255217712552).

The spelling of 231003412420 in words is "two hundred thirty-one billion, three million, four hundred twelve thousand, four hundred twenty".