231401370 has 32 divisors (see below), whose sum is σ = 556313472. Its totient is φ = 61601472.

The previous prime is 231401369. The next prime is 231401371. The reversal of 231401370 is 73104132.

It is an interprime number because it is at equal distance from previous prime (231401369) and next prime (231401371).

It is not an unprimeable number, because it can be changed into a prime (231401371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12099 + ... + 24681.

It is an arithmetic number, because the mean of its divisors is an integer number (17384796).

Almost surely, 2^231401370 is an apocalyptic number.

231401370 is an abundant number, since it is smaller than the sum of its proper divisors (324912102).

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

231401370 is a wasteful number, since it uses less digits than its factorization.

231401370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13206.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 231401370 is about 15211.8825264988. The cubic root of 231401370 is about 613.9344096275.

The spelling of 231401370 in words is "two hundred thirty-one million, four hundred one thousand, three hundred seventy".