13431420401 has 16 divisors (see below), whose sum is σ = 16279493760. Its totient is φ = 10817867520.

The previous prime is 13431420337. The next prime is 13431420407. The reversal of 13431420401 is 10402413431.

It is a cyclic number.

It is not a de Polignac number, because 13431420401 - 2⁶ = 13431420337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13431420407) 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, 17510 + ... + 164831.

It is an arithmetic number, because the mean of its divisors is an integer number (1017468360).

Almost surely, 2^13431420401 is an apocalyptic number.

It is an amenable number.

13431420401 is a deficient number, since it is larger than the sum of its proper divisors (2848073359).

13431420401 is a wasteful number, since it uses less digits than its factorization.

13431420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182984.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13431420401 its reverse (10402413431), we get a palindrome (23833833832).

The spelling of 13431420401 in words is "thirteen billion, four hundred thirty-one million, four hundred twenty thousand, four hundred one".