13431454250442 has 16 divisors (see below), whose sum is σ = 27043196479200. Its totient is φ = 4447103420432.

The previous prime is 13431454250437. The next prime is 13431454250479. The reversal of 13431454250442 is 24405245413431.

It is a junction number, because it is equal to n+sod(n) for n = 13431454250394 and 13431454250403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7511998128 + ... + 7511999915.

It is an arithmetic number, because the mean of its divisors is an integer number (1690199779950).

Almost surely, 2^{13431454250442} is an apocalyptic number.

13431454250442 is an abundant number, since it is smaller than the sum of its proper divisors (13611742228758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13431454250442 is a wasteful number, since it uses less digits than its factorization.

13431454250442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15023998197.

The product of its (nonzero) digits is 921600, while the sum is 42.

Adding to 13431454250442 its reverse (24405245413431), we get a palindrome (37836699663873).

The spelling of 13431454250442 in words is "thirteen trillion, four hundred thirty-one billion, four hundred fifty-four million, two hundred fifty thousand, four hundred forty-two".