3261631043503 has 12 divisors (see below), whose sum is σ = 3799779928320. Its totient is φ = 2791529661312.

The previous prime is 3261631043483. The next prime is 3261631043521. The reversal of 3261631043503 is 3053401361623.

It is a de Polignac number, because none of the positive numbers 2^k-3261631043503 is a prime.

It is a super-2 number, since 2×3261631043503² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261631043903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49420143 + ... + 49486096.

It is an arithmetic number, because the mean of its divisors is an integer number (316648327360).

Almost surely, 2^{3261631043503} is an apocalyptic number.

3261631043503 is a deficient number, since it is larger than the sum of its proper divisors (538148884817).

3261631043503 is an equidigital number, since it uses as much as digits as its factorization.

3261631043503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98906926 (or 98906919 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 3261631043503 in words is "three trillion, two hundred sixty-one billion, six hundred thirty-one million, forty-three thousand, five hundred three".