231202113100 has 72 divisors (see below), whose sum is σ = 607109580000. Its totient is φ = 74606392320.

The previous prime is 231202113071. The next prime is 231202113119. The reversal of 231202113100 is 1311202132.

It is a super-2 number, since 2×231202113100² (a number of 24 digits) contains 22 as substring.

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, 9702475 + ... + 9726274.

It is an arithmetic number, because the mean of its divisors is an integer number (8432077500).

Almost surely, 2^231202113100 is an apocalyptic number.

231202113100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231202113100 is an abundant number, since it is smaller than the sum of its proper divisors (375907466900).

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

231202113100 is a wasteful number, since it uses less digits than its factorization.

231202113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19428787 (or 19428780 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231202113100 its reverse (1311202132), we get a palindrome (232513315232).

The spelling of 231202113100 in words is "two hundred thirty-one billion, two hundred two million, one hundred thirteen thousand, one hundred".