13541831031 has 8 divisors (see below), whose sum is σ = 19006078720. Its totient is φ = 8552735352.

The previous prime is 13541830999. The next prime is 13541831033. The reversal of 13541831031 is 13013814531.

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

It is not a de Polignac number, because 13541831031 - 2⁵ = 13541830999 is a prime.

It is a super-2 number, since 2×13541831031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13541831031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13541831033) 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, 118787935 + ... + 118788048.

It is an arithmetic number, because the mean of its divisors is an integer number (2375759840).

Almost surely, 2^13541831031 is an apocalyptic number.

13541831031 is a deficient number, since it is larger than the sum of its proper divisors (5464247689).

13541831031 is a wasteful number, since it uses less digits than its factorization.

13541831031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237576005.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 13541831031 in words is "thirteen billion, five hundred forty-one million, eight hundred thirty-one thousand, thirty-one".