231400455100 has 18 divisors (see below), whose sum is σ = 502138987784. Its totient is φ = 92560182000.

The previous prime is 231400455067. The next prime is 231400455157. The reversal of 231400455100 is 1554004132.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1157002176 + ... + 1157002375.

Almost surely, 2^231400455100 is an apocalyptic number.

231400455100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231400455100 is an abundant number, since it is smaller than the sum of its proper divisors (270738532684).

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

231400455100 is a wasteful number, since it uses less digits than its factorization.

231400455100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314004565 (or 2314004558 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 231400455100 its reverse (1554004132), we get a palindrome (232954459232).

The spelling of 231400455100 in words is "two hundred thirty-one billion, four hundred million, four hundred fifty-five thousand, one hundred".