231243032412100 has 36 divisors (see below), whose sum is σ = 502956265833364. Its totient is φ = 92283593518080.

The previous prime is 231243032412079. The next prime is 231243032412121. The reversal of 231243032412100 is 1214230342132.

It is an interprime number because it is at equal distance from previous prime (231243032412079) and next prime (231243032412121).

It can be written as a sum of positive squares in 6 ways, for example, as 70216221358144 + 161026811053956 = 8379512^2 + 12689634^2 .

It is a super-2 number, since 2×231243032412100² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2670199569 + ... + 2670286168.

Almost surely, 2^{231243032412100} is an apocalyptic number.

231243032412100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231243032412100 is an abundant number, since it is smaller than the sum of its proper divisors (271713233421264).

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

231243032412100 is a wasteful number, since it uses less digits than its factorization.

231243032412100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340486184 (or 5340486177 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231243032412100 its reverse (1214230342132), we get a palindrome (232457262754232).

The spelling of 231243032412100 in words is "two hundred thirty-one trillion, two hundred forty-three billion, thirty-two million, four hundred twelve thousand, one hundred".