234343131031 has 4 divisors (see below), whose sum is σ = 234344935152. Its totient is φ = 234341326912.

The previous prime is 234343131007. The next prime is 234343131041. The reversal of 234343131031 is 130131343432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 234343131031 - 2³⁵ = 199983392663 is a prime.

It is a super-2 number, since 2×234343131031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234343131041) 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 3 ways as a sum of consecutive naturals, for example, 690715 + ... + 972508.

It is an arithmetic number, because the mean of its divisors is an integer number (58586233788).

Almost surely, 2^234343131031 is an apocalyptic number.

234343131031 is a deficient number, since it is larger than the sum of its proper divisors (1804121).

234343131031 is a wasteful number, since it uses less digits than its factorization.

234343131031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804120.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 234343131031 its reverse (130131343432), we get a palindrome (364474474463).

The spelling of 234343131031 in words is "two hundred thirty-four billion, three hundred forty-three million, one hundred thirty-one thousand, thirty-one".