130215403 has 4 divisors (see below), whose sum is σ = 130578480. Its totient is φ = 129852328.

The previous prime is 130215401. The next prime is 130215409. The reversal of 130215403 is 304512031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304512031 = 19 ⋅16026949.

It is a cyclic number.

It is not a de Polignac number, because 130215403 - 2¹ = 130215401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130215401) 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, 181000 + ... + 181717.

It is an arithmetic number, because the mean of its divisors is an integer number (32644620).

Almost surely, 2^130215403 is an apocalyptic number.

130215403 is a deficient number, since it is larger than the sum of its proper divisors (363077).

130215403 is an equidigital number, since it uses as much as digits as its factorization.

130215403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363076.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 130215403 is about 11411.1963877588. The cubic root of 130215403 is about 506.8593392818.

Adding to 130215403 its reverse (304512031), we get a palindrome (434727434).

The spelling of 130215403 in words is "one hundred thirty million, two hundred fifteen thousand, four hundred three".