231353613105142 has 16 divisors (see below), whose sum is σ = 378737907124752. Its totient is φ = 105116492257920.

The previous prime is 231353613105089. The next prime is 231353613105151. The reversal of 231353613105142 is 241501316353132.

It is a super-3 number, since 3×231353613105142³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231353613105095 and 231353613105104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2211995103 + ... + 2212099690.

It is an arithmetic number, because the mean of its divisors is an integer number (23671119195297).

Almost surely, 2^{231353613105142} is an apocalyptic number.

231353613105142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231353613105142 is a deficient number, since it is larger than the sum of its proper divisors (147384294019610).

231353613105142 is a wasteful number, since it uses less digits than its factorization.

231353613105142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424097183.

The product of its (nonzero) digits is 194400, while the sum is 40.

Adding to 231353613105142 its reverse (241501316353132), we get a palindrome (472854929458274).

The spelling of 231353613105142 in words is "two hundred thirty-one trillion, three hundred fifty-three billion, six hundred thirteen million, one hundred five thousand, one hundred forty-two".