233131100130 has 40 divisors (see below), whose sum is σ = 626863626972. Its totient is φ = 62168293152.

The previous prime is 233131100129. The next prime is 233131100149. The reversal of 233131100130 is 31001131332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 222771728169 + 10359371961 = 471987^2 + 101781^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 143907277 + ... + 143908896.

Almost surely, 2^233131100130 is an apocalyptic number.

233131100130 is an abundant number, since it is smaller than the sum of its proper divisors (393732526842).

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

233131100130 is a wasteful number, since it uses less digits than its factorization.

233131100130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287816192 (or 287816183 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 233131100130 its reverse (31001131332), we get a palindrome (264132231462).

The spelling of 233131100130 in words is "two hundred thirty-three billion, one hundred thirty-one million, one hundred thousand, one hundred thirty".