15130031 has 4 divisors (see below), whose sum is σ = 17291472. Its totient is φ = 12968592.

The previous prime is 15130009. The next prime is 15130039. The reversal of 15130031 is 13003151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13003151 = 7 ⋅1857593.

It is a de Polignac number, because none of the positive numbers 2^k-15130031 is a prime.

It is a super-2 number, since 2×15130031² = 457835676121922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15129988 and 15130015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15130039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080710 + ... + 1080723.

It is an arithmetic number, because the mean of its divisors is an integer number (4322868).

Almost surely, 2^15130031 is an apocalyptic number.

15130031 is a deficient number, since it is larger than the sum of its proper divisors (2161441).

15130031 is an equidigital number, since it uses as much as digits as its factorization.

15130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161440.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 15130031 is about 3889.7340526057. The cubic root of 15130031 is about 247.3317892505.

Adding to 15130031 its reverse (13003151), we get a palindrome (28133182).

The spelling of 15130031 in words is "fifteen million, one hundred thirty thousand, thirty-one".