231103200330 has 40 divisors (see below), whose sum is σ = 621410829732. Its totient is φ = 61627519872.

The previous prime is 231103200319. The next prime is 231103200347. The reversal of 231103200330 is 33002301132.

231103200330 is a `hidden beast` number, since 2 + 3 + 1 + 10 + 320 + 0 + 330 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 227881162161 + 3222038169 = 477369^2 + 56763^2 .

It is a super-2 number, since 2×231103200330² (a number of 24 digits) contains 22 as substring.

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, 142655487 + ... + 142657106.

Almost surely, 2^231103200330 is an apocalyptic number.

231103200330 is an abundant number, since it is smaller than the sum of its proper divisors (390307629402).

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

231103200330 is a wasteful number, since it uses less digits than its factorization.

231103200330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285312612 (or 285312603 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 231103200330 its reverse (33002301132), we get a palindrome (264105501462).

The spelling of 231103200330 in words is "two hundred thirty-one billion, one hundred three million, two hundred thousand, three hundred thirty".