13552233431 has 4 divisors (see below), whose sum is σ = 14784254664. Its totient is φ = 12320212200.

The previous prime is 13552233419. The next prime is 13552233437. The reversal of 13552233431 is 13433225531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13433225531 = 11 ⋅1221202321.

It is a cyclic number.

It is not a de Polignac number, because 13552233431 - 2⁶ = 13552233367 is a prime.

It is a super-2 number, since 2×13552233431² (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 (13552233437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616010600 + ... + 616010621.

It is an arithmetic number, because the mean of its divisors is an integer number (3696063666).

Almost surely, 2^13552233431 is an apocalyptic number.

13552233431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13552233431 is a deficient number, since it is larger than the sum of its proper divisors (1232021233).

13552233431 is a wasteful number, since it uses less digits than its factorization.

13552233431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232021232.

The product of its digits is 32400, while the sum is 32.

Adding to 13552233431 its reverse (13433225531), we get a palindrome (26985458962).

The spelling of 13552233431 in words is "thirteen billion, five hundred fifty-two million, two hundred thirty-three thousand, four hundred thirty-one".