403261402315 has 4 divisors (see below), whose sum is σ = 483913682784. Its totient is φ = 322609121848.

The previous prime is 403261402301. The next prime is 403261402343. The reversal of 403261402315 is 513204162304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403261402315 - 2²³ = 403253013707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40326140227 + ... + 40326140236.

It is an arithmetic number, because the mean of its divisors is an integer number (120978420696).

Almost surely, 2^403261402315 is an apocalyptic number.

403261402315 is a deficient number, since it is larger than the sum of its proper divisors (80652280469).

403261402315 is an equidigital number, since it uses as much as digits as its factorization.

403261402315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80652280468.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 403261402315 its reverse (513204162304), we get a palindrome (916465564619).

The spelling of 403261402315 in words is "four hundred three billion, two hundred sixty-one million, four hundred two thousand, three hundred fifteen".