123310331 has 8 divisors (see below), whose sum is σ = 124746480. Its totient is φ = 121879648.

The previous prime is 123310321. The next prime is 123310339. The reversal of 123310331 is 133013321.

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

It is a cyclic number.

It is not a de Polignac number, because 123310331 - 2¹⁸ = 123048187 is a prime.

It is a super-2 number, since 2×123310331² = 30410875462659122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123310339) 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, 58565 + ... + 60633.

It is an arithmetic number, because the mean of its divisors is an integer number (15593310).

Almost surely, 2^123310331 is an apocalyptic number.

123310331 is a deficient number, since it is larger than the sum of its proper divisors (1436149).

123310331 is a wasteful number, since it uses less digits than its factorization.

123310331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 123310331 is about 11104.5184947390. The cubic root of 123310331 is about 497.7368800307.

Adding to 123310331 its reverse (133013321), we get a palindrome (256323652).

The spelling of 123310331 in words is "one hundred twenty-three million, three hundred ten thousand, three hundred thirty-one".