31522640241 has 16 divisors (see below), whose sum is σ = 43304388480. Its totient is φ = 20386903680.

The previous prime is 31522640161. The next prime is 31522640243. The reversal of 31522640241 is 14204622513.

It is not a de Polignac number, because 31522640241 - 2¹⁴ = 31522623857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31522640199 and 31522640208.

It is not an unprimeable number, because it can be changed into a prime (31522640243) 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, 1099645 + ... + 1127946.

It is an arithmetic number, because the mean of its divisors is an integer number (2706524280).

Almost surely, 2^31522640241 is an apocalyptic number.

It is an amenable number.

31522640241 is a deficient number, since it is larger than the sum of its proper divisors (11781748239).

31522640241 is a wasteful number, since it uses less digits than its factorization.

31522640241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2227736.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 31522640241 in words is "thirty-one billion, five hundred twenty-two million, six hundred forty thousand, two hundred forty-one".