13455012031 has 4 divisors (see below), whose sum is σ = 13468869864. Its totient is φ = 13441154200.

The previous prime is 13455012017. The next prime is 13455012113. The reversal of 13455012031 is 13021055431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13021055431 = 2467 ⋅5278093.

It is a cyclic number.

It is not a de Polignac number, because 13455012031 - 2²¹ = 13452914879 is a prime.

It is a super-2 number, since 2×13455012031² (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 = 13455011987 and 13455012005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13455012631) 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, 6927460 + ... + 6929401.

It is an arithmetic number, because the mean of its divisors is an integer number (3367217466).

Almost surely, 2^13455012031 is an apocalyptic number.

13455012031 is a deficient number, since it is larger than the sum of its proper divisors (13857833).

13455012031 is an equidigital number, since it uses as much as digits as its factorization.

13455012031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13857832.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13455012031 its reverse (13021055431), we get a palindrome (26476067462).

The spelling of 13455012031 in words is "thirteen billion, four hundred fifty-five million, twelve thousand, thirty-one".