231431401203 has 8 divisors (see below), whose sum is σ = 309021767616. Its totient is φ = 154064317800.

The previous prime is 231431401199. The next prime is 231431401207. The reversal of 231431401203 is 302104134132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231431401199) and next prime (231431401207).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231431401203 - 2² = 231431401199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231431401207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55818333 + ... + 55822478.

It is an arithmetic number, because the mean of its divisors is an integer number (38627720952).

Almost surely, 2^231431401203 is an apocalyptic number.

231431401203 is a deficient number, since it is larger than the sum of its proper divisors (77590366413).

231431401203 is a wasteful number, since it uses less digits than its factorization.

231431401203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111641505.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231431401203 its reverse (302104134132), we get a palindrome (533535535335).

The spelling of 231431401203 in words is "two hundred thirty-one billion, four hundred thirty-one million, four hundred one thousand, two hundred three".