70231 has 8 divisors (see below), whose sum is σ = 81920. Its totient is φ = 58968.

The previous prime is 70229. The next prime is 70237. The reversal of 70231 is 13207.

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

It is not a de Polignac number, because 70231 - 2¹ = 70229 is a prime.

It is a super-2 number, since 2×70231² = 9864786722, which contains 22 as substring.

It is a Duffinian number.

70231 is a modest number, since divided by 231 gives 7 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 70231.

It is not an unprimeable number, because it can be changed into a prime (70237) 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, 490 + ... + 616.

It is an arithmetic number, because the mean of its divisors is an integer number (10240).

2⁷⁰²³¹ is an apocalyptic number.

70231 is a deficient number, since it is larger than the sum of its proper divisors (11689).

70231 is a wasteful number, since it uses less digits than its factorization.

70231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 70231 is about 265.0113205129. The cubic root of 70231 is about 41.2581373601.

Adding to 70231 its reverse (13207), we get a palindrome (83438).

The spelling of 70231 in words is "seventy thousand, two hundred thirty-one".