31252264241 has 4 divisors (see below), whose sum is σ = 34093379184. Its totient is φ = 28411149300.

The previous prime is 31252264201. The next prime is 31252264243. The reversal of 31252264241 is 14246225213.

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.

It is a cyclic number.

It is not a de Polignac number, because 31252264241 - 2²⁶ = 31185155377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31252264198 and 31252264207.

It is not an unprimeable number, because it can be changed into a prime (31252264243) by changing a digit.

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, 1420557455 + ... + 1420557476.

It is an arithmetic number, because the mean of its divisors is an integer number (8523344796).

Almost surely, 2^31252264241 is an apocalyptic number.

It is an amenable number.

31252264241 is a deficient number, since it is larger than the sum of its proper divisors (2841114943).

31252264241 is a wasteful number, since it uses less digits than its factorization.

31252264241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841114942.

The product of its digits is 23040, while the sum is 32.

Adding to 31252264241 its reverse (14246225213), we get a palindrome (45498489454).

The spelling of 31252264241 in words is "thirty-one billion, two hundred fifty-two million, two hundred sixty-four thousand, two hundred forty-one".