15243142413431 has 32 divisors (see below), whose sum is σ = 16002753650688. Its totient is φ = 14501646846720.

The previous prime is 15243142413347. The next prime is 15243142413437. The reversal of 15243142413431 is 13431424134251.

It is a cyclic number.

It is not a de Polignac number, because 15243142413431 - 2¹⁴ = 15243142397047 is a prime.

It is a super-2 number, since 2×15243142413431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15243142413437) 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, 1937601560 + ... + 1937609426.

It is an arithmetic number, because the mean of its divisors is an integer number (500086051584).

Almost surely, 2^{15243142413431} is an apocalyptic number.

15243142413431 is a deficient number, since it is larger than the sum of its proper divisors (759611237257).

15243142413431 is a wasteful number, since it uses less digits than its factorization.

15243142413431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671.

The product of its digits is 138240, while the sum is 38.

Adding to 15243142413431 its reverse (13431424134251), we get a palindrome (28674566547682).

The spelling of 15243142413431 in words is "fifteen trillion, two hundred forty-three billion, one hundred forty-two million, four hundred thirteen thousand, four hundred thirty-one".