235070642831 has 4 divisors (see below), whose sum is σ = 235071953064. Its totient is φ = 235069332600.

The previous prime is 235070642809. The next prime is 235070642857. The reversal of 235070642831 is 138246070532.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235070642831 is a prime.

It is a super-2 number, since 2×235070642831² (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 (235070642801) 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, 333305 + ... + 762386.

It is an arithmetic number, because the mean of its divisors is an integer number (58767988266).

Almost surely, 2^235070642831 is an apocalyptic number.

235070642831 is a deficient number, since it is larger than the sum of its proper divisors (1310233).

235070642831 is a wasteful number, since it uses less digits than its factorization.

235070642831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310232.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 235070642831 in words is "two hundred thirty-five billion, seventy million, six hundred forty-two thousand, eight hundred thirty-one".