13431433452 has 48 divisors (see below), whose sum is σ = 31834666752. Its totient is φ = 4406592960.

The previous prime is 13431433451. The next prime is 13431433553. The reversal of 13431433452 is 25433413431.

It is not an unprimeable number, because it can be changed into a prime (13431433451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1041202 + ... + 1054022.

It is an arithmetic number, because the mean of its divisors is an integer number (663222224).

Almost surely, 2^13431433452 is an apocalyptic number.

13431433452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13431433452 is an abundant number, since it is smaller than the sum of its proper divisors (18403233300).

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

13431433452 is a wasteful number, since it uses less digits than its factorization.

13431433452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14198 (or 14196 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

Adding to 13431433452 its reverse (25433413431), we get a palindrome (38864846883).

The spelling of 13431433452 in words is "thirteen billion, four hundred thirty-one million, four hundred thirty-three thousand, four hundred fifty-two".