13502023031 has 8 divisors (see below), whose sum is σ = 15432034080. Its totient is φ = 11572299648.

The previous prime is 13502023019. The next prime is 13502023037. The reversal of 13502023031 is 13032020531.

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

It is not a de Polignac number, because 13502023031 - 2¹⁴ = 13502006647 is a prime.

It is a super-2 number, since 2×13502023031² (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 = 13502022994 and 13502023012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13502023037) 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, 40355 + ... + 169211.

It is an arithmetic number, because the mean of its divisors is an integer number (1929004260).

Almost surely, 2^13502023031 is an apocalyptic number.

13502023031 is a deficient number, since it is larger than the sum of its proper divisors (1930011049).

13502023031 is a wasteful number, since it uses less digits than its factorization.

13502023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143833.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 13502023031 its reverse (13032020531), we get a palindrome (26534043562).

The spelling of 13502023031 in words is "thirteen billion, five hundred two million, twenty-three thousand, thirty-one".