231424021241142 has 16 divisors (see below), whose sum is σ = 471581024416560. Its totient is φ = 75685843424672.

The previous prime is 231424021241141. The next prime is 231424021241183. The reversal of 231424021241142 is 241142120424132.

It is a happy number.

231424021241142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231424021241142² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231424021241141) 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, 363874246917 + ... + 363874247552.

It is an arithmetic number, because the mean of its divisors is an integer number (29473814026035).

Almost surely, 2^{231424021241142} is an apocalyptic number.

231424021241142 is an abundant number, since it is smaller than the sum of its proper divisors (240157003175418).

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

231424021241142 is a wasteful number, since it uses less digits than its factorization.

231424021241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727748494527.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 231424021241142 its reverse (241142120424132), we get a palindrome (472566141665274).

The spelling of 231424021241142 in words is "two hundred thirty-one trillion, four hundred twenty-four billion, twenty-one million, two hundred forty-one thousand, one hundred forty-two".