13431502440454 has 16 divisors (see below), whose sum is σ = 23032838887200. Its totient is φ = 5754506655744.

The previous prime is 13431502440409. The next prime is 13431502440479. The reversal of 13431502440454 is 45404420513431.

It is a super-2 number, since 2×13431502440454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 154249339 + ... + 154336390.

It is an arithmetic number, because the mean of its divisors is an integer number (1439552430450).

Almost surely, 2^{13431502440454} is an apocalyptic number.

13431502440454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13431502440454 is a deficient number, since it is larger than the sum of its proper divisors (9601336446746).

13431502440454 is a wasteful number, since it uses less digits than its factorization.

13431502440454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308588847.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 13431502440454 its reverse (45404420513431), we get a palindrome (58835922953885).

The spelling of 13431502440454 in words is "thirteen trillion, four hundred thirty-one billion, five hundred two million, four hundred forty thousand, four hundred fifty-four".