230311332331 has 8 divisors (see below), whose sum is σ = 233245221840. Its totient is φ = 227385134592.

The previous prime is 230311332287. The next prime is 230311332341. The reversal of 230311332331 is 133233113032.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230311332331 is a prime.

It is a super-2 number, since 2×230311332331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230311332296 and 230311332305.

It is not an unprimeable number, because it can be changed into a prime (230311332341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862665 + ... + 1982458.

It is an arithmetic number, because the mean of its divisors is an integer number (29155652730).

Almost surely, 2^230311332331 is an apocalyptic number.

230311332331 is a deficient number, since it is larger than the sum of its proper divisors (2933889509).

230311332331 is an equidigital number, since it uses as much as digits as its factorization.

230311332331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845885.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 230311332331 its reverse (133233113032), we get a palindrome (363544445363).

The spelling of 230311332331 in words is "two hundred thirty billion, three hundred eleven million, three hundred thirty-two thousand, three hundred thirty-one".