13553112031 has 4 divisors (see below), whose sum is σ = 13621909752. Its totient is φ = 13484314312.

The previous prime is 13553112029. The next prime is 13553112049. The reversal of 13553112031 is 13021135531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13021135531 = 109 ⋅119459959.

It is not a de Polignac number, because 13553112031 - 2¹ = 13553112029 is a prime.

It is a super-2 number, since 2×13553112031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13553111987 and 13553112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553112061) 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, 34398565 + ... + 34398958.

It is an arithmetic number, because the mean of its divisors is an integer number (3405477438).

Almost surely, 2^13553112031 is an apocalyptic number.

13553112031 is a deficient number, since it is larger than the sum of its proper divisors (68797721).

13553112031 is an equidigital number, since it uses as much as digits as its factorization.

13553112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68797720.

The product of its (nonzero) digits is 1350, while the sum is 25.

Adding to 13553112031 its reverse (13021135531), we get a palindrome (26574247562).

The spelling of 13553112031 in words is "thirteen billion, five hundred fifty-three million, one hundred twelve thousand, thirty-one".