231234143000331 has 32 divisors (see below), whose sum is σ = 326961389664000. Its totient is φ = 144956652503040.

The previous prime is 231234143000281. The next prime is 231234143000339. The reversal of 231234143000331 is 133000341432132.

It is not a de Polignac number, because 231234143000331 - 2⁹ = 231234142999819 is a prime.

It is a super-2 number, since 2×231234143000331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231234143000339) 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 31 ways as a sum of consecutive naturals, for example, 23970781 + ... + 32203518.

It is an arithmetic number, because the mean of its divisors is an integer number (10217543427000).

Almost surely, 2^{231234143000331} is an apocalyptic number.

231234143000331 is a deficient number, since it is larger than the sum of its proper divisors (95727246663669).

231234143000331 is a wasteful number, since it uses less digits than its factorization.

231234143000331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56174859.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 231234143000331 its reverse (133000341432132), we get a palindrome (364234484432463).

The spelling of 231234143000331 in words is "two hundred thirty-one trillion, two hundred thirty-four billion, one hundred forty-three million, three hundred thirty-one", and thus it is an aban number.