234320137831 has 8 divisors (see below), whose sum is σ = 252435022784. Its totient is φ = 216218147040.

The previous prime is 234320137811. The next prime is 234320137841. The reversal of 234320137831 is 138731023432.

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

It is a cyclic number.

It is not a de Polignac number, because 234320137831 - 2²¹ = 234318040679 is a prime.

It is a super-2 number, since 2×234320137831² (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 (234320137811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3185775 + ... + 3258496.

It is an arithmetic number, because the mean of its divisors is an integer number (31554377848).

Almost surely, 2^234320137831 is an apocalyptic number.

234320137831 is a deficient number, since it is larger than the sum of its proper divisors (18114884953).

234320137831 is a wasteful number, since it uses less digits than its factorization.

234320137831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447081.

The product of its (nonzero) digits is 72576, while the sum is 37.

The spelling of 234320137831 in words is "two hundred thirty-four billion, three hundred twenty million, one hundred thirty-seven thousand, eight hundred thirty-one".