231341230142 has 64 divisors (see below), whose sum is σ = 430146547200. Its totient is φ = 92003345280.

The previous prime is 231341230061. The next prime is 231341230147. The reversal of 231341230142 is 241032143132.

It is a super-2 number, since 2×231341230142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231341230147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136073 + ... + 693684.

It is an arithmetic number, because the mean of its divisors is an integer number (6721039800).

Almost surely, 2^231341230142 is an apocalyptic number.

231341230142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231341230142 is a deficient number, since it is larger than the sum of its proper divisors (198805317058).

231341230142 is a wasteful number, since it uses less digits than its factorization.

231341230142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829841.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 231341230142 its reverse (241032143132), we get a palindrome (472373373274).

The spelling of 231341230142 in words is "two hundred thirty-one billion, three hundred forty-one million, two hundred thirty thousand, one hundred forty-two".