31343632441 has 4 divisors (see below), whose sum is σ = 34193053584. Its totient is φ = 28494211300.

The previous prime is 31343632429. The next prime is 31343632487. The reversal of 31343632441 is 14423634313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14423634313 = 11 ⋅1311239483.

It is a cyclic number.

It is not a de Polignac number, because 31343632441 - 2⁵ = 31343632409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31343632397 and 31343632406.

It is not an unprimeable number, because it can be changed into a prime (31343632841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424710555 + ... + 1424710576.

It is an arithmetic number, because the mean of its divisors is an integer number (8548263396).

Almost surely, 2^31343632441 is an apocalyptic number.

It is an amenable number.

31343632441 is a deficient number, since it is larger than the sum of its proper divisors (2849421143).

31343632441 is a wasteful number, since it uses less digits than its factorization.

31343632441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849421142.

The product of its digits is 62208, while the sum is 34.

The spelling of 31343632441 in words is "thirty-one billion, three hundred forty-three million, six hundred thirty-two thousand, four hundred forty-one".