3243663031 has 4 divisors (see below), whose sum is σ = 3707043472. Its totient is φ = 2780282592.

The previous prime is 3243662969. The next prime is 3243663037. The reversal of 3243663031 is 1303663423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1303663423 = 7703 ⋅169241.

It is a cyclic number.

It is not a de Polignac number, because 3243663031 - 2²⁵ = 3210108599 is a prime.

It is a super-2 number, since 2×3243663031² = 21042699717352213922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3243662984 and 3243663002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243663037) 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, 231690210 + ... + 231690223.

It is an arithmetic number, because the mean of its divisors is an integer number (926760868).

Almost surely, 2^3243663031 is an apocalyptic number.

3243663031 is a deficient number, since it is larger than the sum of its proper divisors (463380441).

3243663031 is an equidigital number, since it uses as much as digits as its factorization.

3243663031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463380440.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 3243663031 is about 56953.1652412752. The cubic root of 3243663031 is about 1480.2846772514.

The spelling of 3243663031 in words is "three billion, two hundred forty-three million, six hundred sixty-three thousand, thirty-one".