68012331 has 4 divisors (see below), whose sum is σ = 90683112. Its totient is φ = 45341552.

The previous prime is 68012323. The next prime is 68012341. The reversal of 68012331 is 13321086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68012331 - 2³ = 68012323 is a prime.

It is a super-2 number, since 2×68012331² = 9251354336107122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68012341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11335386 + ... + 11335391.

It is an arithmetic number, because the mean of its divisors is an integer number (22670778).

Almost surely, 2^68012331 is an apocalyptic number.

68012331 is a deficient number, since it is larger than the sum of its proper divisors (22670781).

68012331 is a wasteful number, since it uses less digits than its factorization.

68012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22670780.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 68012331 is about 8246.9588940409. The cubic root of 68012331 is about 408.1901807050.

The spelling of 68012331 in words is "sixty-eight million, twelve thousand, three hundred thirty-one".