231302132330 has 8 divisors (see below), whose sum is σ = 416343838212. Its totient is φ = 92520852928.

The previous prime is 231302132291. The next prime is 231302132387. The reversal of 231302132330 is 33231203132.

It can be written as a sum of positive squares in 2 ways, for example, as 210274522249 + 21027610081 = 458557^2 + 145009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 231302132296 and 231302132305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11565106607 + ... + 11565106626.

Almost surely, 2^231302132330 is an apocalyptic number.

231302132330 is a deficient number, since it is larger than the sum of its proper divisors (185041705882).

231302132330 is a wasteful number, since it uses less digits than its factorization.

231302132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23130213240.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 231302132330 its reverse (33231203132), we get a palindrome (264533335462).

The spelling of 231302132330 in words is "two hundred thirty-one billion, three hundred two million, one hundred thirty-two thousand, three hundred thirty".