2142031112231 has 8 divisors (see below), whose sum is σ = 2202420954384. Its totient is φ = 2081772696960.

The previous prime is 2142031112219. The next prime is 2142031112257. The reversal of 2142031112231 is 1322111302412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2142031112231 is a prime.

It is a super-2 number, since 2×2142031112231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2142031112197 and 2142031112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142031112281) 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, 32823665 + ... + 32888858.

It is an arithmetic number, because the mean of its divisors is an integer number (275302619298).

Almost surely, 2^{2142031112231} is an apocalyptic number.

2142031112231 is a deficient number, since it is larger than the sum of its proper divisors (60389842153).

2142031112231 is an equidigital number, since it uses as much as digits as its factorization.

2142031112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65713441.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 2142031112231 its reverse (1322111302412), we get a palindrome (3464142414643).

The spelling of 2142031112231 in words is "two trillion, one hundred forty-two billion, thirty-one million, one hundred twelve thousand, two hundred thirty-one".