231061270 has 64 divisors (see below), whose sum is σ = 474258240. Its totient is φ = 80281600.

The previous prime is 231061249. The next prime is 231061277. The reversal of 231061270 is 72160132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231061277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 360150 + ... + 360790.

It is an arithmetic number, because the mean of its divisors is an integer number (7410285).

Almost surely, 2^231061270 is an apocalyptic number.

231061270 is an abundant number, since it is smaller than the sum of its proper divisors (243196970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231061270 is a wasteful number, since it uses less digits than its factorization.

231061270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 231061270 is about 15200.6996549501. The cubic root of 231061270 is about 613.6334873673.

The spelling of 231061270 in words is "two hundred thirty-one million, sixty-one thousand, two hundred seventy".