231402010 has 24 divisors (see below), whose sum is σ = 484528500. Its totient is φ = 79337664.

The previous prime is 231401999. The next prime is 231402013. The reversal of 231402010 is 10204132.

It can be written as a sum of positive squares in 2 ways, for example, as 202123089 + 29278921 = 14217^2 + 5411^2 .

It is not an unprimeable number, because it can be changed into a prime (231402013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235635 + ... + 236614.

Almost surely, 2^231402010 is an apocalyptic number.

231402010 is an abundant number, since it is smaller than the sum of its proper divisors (253126490).

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

231402010 is a wasteful number, since it uses less digits than its factorization.

231402010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472270 (or 472263 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 231402010 is about 15211.9035626709. The cubic root of 231402010 is about 613.9349756248.

Adding to 231402010 its reverse (10204132), we get a palindrome (241606142).

The spelling of 231402010 in words is "two hundred thirty-one million, four hundred two thousand, ten".