234031144531020 has 96 divisors (see below), whose sum is σ = 662165138083008. Its totient is φ = 61753501827072.

The previous prime is 234031144531007. The next prime is 234031144531031. The reversal of 234031144531020 is 20135441130432.

It is a super-2 number, since 2×234031144531020² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27789312 + ... + 35218008.

It is an arithmetic number, because the mean of its divisors is an integer number (6897553521698).

Almost surely, 2^{234031144531020} is an apocalyptic number.

234031144531020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 234031144531020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331082569041504).

234031144531020 is an abundant number, since it is smaller than the sum of its proper divisors (428133993551988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234031144531020 is a wasteful number, since it uses less digits than its factorization.

234031144531020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434219 (or 7434217 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 234031144531020 its reverse (20135441130432), we get a palindrome (254166585661452).

The spelling of 234031144531020 in words is "two hundred thirty-four trillion, thirty-one billion, one hundred forty-four million, five hundred thirty-one thousand, twenty".