31255242441 has 16 divisors (see below), whose sum is σ = 44349047424. Its totient is φ = 19511577344.

The previous prime is 31255242439. The next prime is 31255242443. The reversal of 31255242441 is 14424255213.

It is an interprime number because it is at equal distance from previous prime (31255242439) and next prime (31255242443).

It is a cyclic number.

It is not a de Polignac number, because 31255242441 - 2¹ = 31255242439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31255242443) 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 15 ways as a sum of consecutive naturals, for example, 1545405 + ... + 1565498.

It is an arithmetic number, because the mean of its divisors is an integer number (2771815464).

Almost surely, 2^31255242441 is an apocalyptic number.

It is an amenable number.

31255242441 is a deficient number, since it is larger than the sum of its proper divisors (13093804983).

31255242441 is a wasteful number, since it uses less digits than its factorization.

31255242441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111120.

The product of its digits is 38400, while the sum is 33.

Adding to 31255242441 its reverse (14424255213), we get a palindrome (45679497654).

The spelling of 31255242441 in words is "thirty-one billion, two hundred fifty-five million, two hundred forty-two thousand, four hundred forty-one".