231402470 has 32 divisors (see below), whose sum is σ = 474955488. Its totient is φ = 80414208.

The previous prime is 231402469. The next prime is 231402473. The reversal of 231402470 is 74204132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231402473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50144 + ... + 54563.

It is an arithmetic number, because the mean of its divisors is an integer number (14842359).

Almost surely, 2^231402470 is an apocalyptic number.

231402470 is an abundant number, since it is smaller than the sum of its proper divisors (243553018).

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

231402470 is a wasteful number, since it uses less digits than its factorization.

231402470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104744.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 231402470 is about 15211.9186824016. The cubic root of 231402470 is about 613.9353824348.

The spelling of 231402470 in words is "two hundred thirty-one million, four hundred two thousand, four hundred seventy".