231343434100 has 72 divisors (see below), whose sum is σ = 538274298240. Its totient is φ = 85991493120.

The previous prime is 231343434097. The next prime is 231343434107. The reversal of 231343434100 is 1434343132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231343434107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 726994 + ... + 995593.

It is an arithmetic number, because the mean of its divisors is an integer number (7476031920).

Almost surely, 2^231343434100 is an apocalyptic number.

231343434100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231343434100 is an abundant number, since it is smaller than the sum of its proper divisors (306930864140).

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

231343434100 is a wasteful number, since it uses less digits than its factorization.

231343434100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722697 (or 1722690 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 231343434100 its reverse (1434343132), we get a palindrome (232777777232).

The spelling of 231343434100 in words is "two hundred thirty-one billion, three hundred forty-three million, four hundred thirty-four thousand, one hundred".