231352007 has 4 divisors (see below), whose sum is σ = 231471240. Its totient is φ = 231232776.

The previous prime is 231352003. The next prime is 231352013. The reversal of 231352007 is 700253132.

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 231352007 - 2² = 231352003 is a prime.

It is a super-2 number, since 2×231352007² = 107047502285856098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231352003) 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, 56657 + ... + 60602.

It is an arithmetic number, because the mean of its divisors is an integer number (57867810).

Almost surely, 2^231352007 is an apocalyptic number.

231352007 is a deficient number, since it is larger than the sum of its proper divisors (119233).

231352007 is a wasteful number, since it uses less digits than its factorization.

231352007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119232.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 231352007 is about 15210.2599254582. The cubic root of 231352007 is about 613.8907512869.

The spelling of 231352007 in words is "two hundred thirty-one million, three hundred fifty-two thousand, seven".