231013322100 has 648 divisors, whose sum is σ = 856710979488. Its totient is φ = 51592204800.

The previous prime is 231013322083. The next prime is 231013322153. The reversal of 231013322100 is 1223310132.

231013322100 is a `hidden beast` number, since 2 + 310 + 1 + 332 + 21 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 132233427 + ... + 132235173.

Almost surely, 2^231013322100 is an apocalyptic number.

231013322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231013322100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428355489744).

231013322100 is an abundant number, since it is smaller than the sum of its proper divisors (625697657388).

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

231013322100 is a wasteful number, since it uses less digits than its factorization.

231013322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853 (or 1824 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231013322100 its reverse (1223310132), we get a palindrome (232236632232).

The spelling of 231013322100 in words is "two hundred thirty-one billion, thirteen million, three hundred twenty-two thousand, one hundred".