14042012155431 has 64 divisors (see below), whose sum is σ = 20755659552768. Its totient is φ = 8390306239488.

The previous prime is 14042012155399. The next prime is 14042012155489. The reversal of 14042012155431 is 13455121024041.

It is not a de Polignac number, because 14042012155431 - 2⁵ = 14042012155399 is a prime.

It is a super-2 number, since 2×14042012155431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14042012155392 and 14042012155401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14042012155931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166377715 + ... + 166462091.

It is an arithmetic number, because the mean of its divisors is an integer number (324307180512).

Almost surely, 2^{14042012155431} is an apocalyptic number.

14042012155431 is a deficient number, since it is larger than the sum of its proper divisors (6713647397337).

14042012155431 is a wasteful number, since it uses less digits than its factorization.

14042012155431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85160.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 14042012155431 its reverse (13455121024041), we get a palindrome (27497133179472).

The spelling of 14042012155431 in words is "fourteen trillion, forty-two billion, twelve million, one hundred fifty-five thousand, four hundred thirty-one".