231434230020 has 192 divisors, whose sum is σ = 752896069632. Its totient is φ = 52027200000.

The previous prime is 231434230007. The next prime is 231434230033. The reversal of 231434230020 is 20032434132.

It is an interprime number because it is at equal distance from previous prime (231434230007) and next prime (231434230033).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6387355 + ... + 6423485.

It is an arithmetic number, because the mean of its divisors is an integer number (3921333696).

Almost surely, 2^231434230020 is an apocalyptic number.

231434230020 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 231434230020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376448034816).

231434230020 is an abundant number, since it is smaller than the sum of its proper divisors (521461839612).

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

231434230020 is a wasteful number, since it uses less digits than its factorization.

231434230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36402 (or 36400 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 231434230020 its reverse (20032434132), we get a palindrome (251466664152).

The spelling of 231434230020 in words is "two hundred thirty-one billion, four hundred thirty-four million, two hundred thirty thousand, twenty".