13431555346 has 16 divisors (see below), whose sum is σ = 21990786048. Its totient is φ = 6101953200.

The previous prime is 13431555337. The next prime is 13431555359. The reversal of 13431555346 is 64355513431.

13431555346 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13431555346² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13431555299 and 13431555308.

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, 123090 + ... + 204973.

It is an arithmetic number, because the mean of its divisors is an integer number (1374424128).

Almost surely, 2^13431555346 is an apocalyptic number.

13431555346 is a deficient number, since it is larger than the sum of its proper divisors (8559230702).

13431555346 is a wasteful number, since it uses less digits than its factorization.

13431555346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329937.

The product of its digits is 324000, while the sum is 40.

The spelling of 13431555346 in words is "thirteen billion, four hundred thirty-one million, five hundred fifty-five thousand, three hundred forty-six".