231070 has 16 divisors (see below), whose sum is σ = 475488. Its totient is φ = 79200.

The previous prime is 231067. The next prime is 231079. The reversal of 231070 is 70132.

It is a self number, because there is not a number n which added to its sum of digits gives 231070.

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 231070.

It is not an unprimeable number, because it can be changed into a prime (231079) 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, 1581 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (29718).

2²³¹⁰⁷⁰ is an apocalyptic number.

231070 is an abundant number, since it is smaller than the sum of its proper divisors (244418).

It is a weird number, because it is abundant, but not a pseudoperfect number.

231070 is a wasteful number, since it uses less digits than its factorization.

231070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315.

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

The square root of 231070 is about 480.6974100201. The cubic root of 231070 is about 61.3641215408.

The spelling of 231070 in words is "two hundred thirty-one thousand, seventy".