13132220431 has 8 divisors (see below), whose sum is σ = 14386003200. Its totient is φ = 11888428440.

The previous prime is 13132220429. The next prime is 13132220441. The reversal of 13132220431 is 13402223131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13132220431 - 2¹ = 13132220429 is a prime.

It is a super-2 number, since 2×13132220431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132220441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2494941 + ... + 2500198.

It is an arithmetic number, because the mean of its divisors is an integer number (1798250400).

Almost surely, 2^13132220431 is an apocalyptic number.

13132220431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13132220431 is a deficient number, since it is larger than the sum of its proper divisors (1253782769).

13132220431 is a wasteful number, since it uses less digits than its factorization.

13132220431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995389.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13132220431 its reverse (13402223131), we get a palindrome (26534443562).

The spelling of 13132220431 in words is "thirteen billion, one hundred thirty-two million, two hundred twenty thousand, four hundred thirty-one".