3215130403 has 2 divisors, whose sum is σ = 3215130404. Its totient is φ = 3215130402.

The previous prime is 3215130379. The next prime is 3215130421. The reversal of 3215130403 is 3040315123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3215130403 is a prime.

It is not a weakly prime, because it can be changed into another prime (3215130473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1607565201 + 1607565202.

It is an arithmetic number, because the mean of its divisors is an integer number (1607565202).

Almost surely, 2^3215130403 is an apocalyptic number.

3215130403 is a deficient number, since it is larger than the sum of its proper divisors (1).

3215130403 is an equidigital number, since it uses as much as digits as its factorization.

3215130403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3215130403 is about 56702.1199162783. The cubic root of 3215130403 is about 1475.9314852476.

Adding to 3215130403 its reverse (3040315123), we get a palindrome (6255445526).

The spelling of 3215130403 in words is "three billion, two hundred fifteen million, one hundred thirty thousand, four hundred three".