131030715 has 16 divisors (see below), whose sum is σ = 210087936. Its totient is φ = 69736800.

The previous prime is 131030699. The next prime is 131030723. The reversal of 131030715 is 517030131.

It is not a de Polignac number, because 131030715 - 2⁴ = 131030699 is a prime.

It is a super-2 number, since 2×131030715² = 34338096546822450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131030691 and 131030700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531 + ... + 16260.

It is an arithmetic number, because the mean of its divisors is an integer number (13130496).

Almost surely, 2^131030715 is an apocalyptic number.

131030715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131030715 is a deficient number, since it is larger than the sum of its proper divisors (79057221).

131030715 is a wasteful number, since it uses less digits than its factorization.

131030715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18290.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 131030715 is about 11446.8648546229. The cubic root of 131030715 is about 507.9149978160.

Adding to 131030715 its reverse (517030131), we get a palindrome (648060846).

The spelling of 131030715 in words is "one hundred thirty-one million, thirty thousand, seven hundred fifteen".