2142444301431 has 32 divisors (see below), whose sum is σ = 3294925455360. Its totient is φ = 1212958496736.

The previous prime is 2142444301411. The next prime is 2142444301447. The reversal of 2142444301431 is 1341034442412.

It is a happy number.

It is not a de Polignac number, because 2142444301431 - 2⁶ = 2142444301367 is a prime.

It is a super-2 number, since 2×2142444301431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142444301392 and 2142444301401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142444301411) 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, 81690 + ... + 2071608.

It is an arithmetic number, because the mean of its divisors is an integer number (102966420480).

Almost surely, 2^{2142444301431} is an apocalyptic number.

2142444301431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2142444301431 is a deficient number, since it is larger than the sum of its proper divisors (1152481153929).

2142444301431 is a wasteful number, since it uses less digits than its factorization.

2142444301431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990403.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 2142444301431 its reverse (1341034442412), we get a palindrome (3483478743843).

The spelling of 2142444301431 in words is "two trillion, one hundred forty-two billion, four hundred forty-four million, three hundred one thousand, four hundred thirty-one".