31013432241 has 16 divisors (see below), whose sum is σ = 45290181888. Its totient is φ = 18721130000.

The previous prime is 31013432237. The next prime is 31013432243. The reversal of 31013432241 is 14223431013.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31013432241 - 2² = 31013432237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31013432243) 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, 1863831 + ... + 1880396.

It is an arithmetic number, because the mean of its divisors is an integer number (2830636368).

Almost surely, 2^31013432241 is an apocalyptic number.

It is an amenable number.

31013432241 is a deficient number, since it is larger than the sum of its proper divisors (14276749647).

31013432241 is a wasteful number, since it uses less digits than its factorization.

31013432241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744492.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31013432241 its reverse (14223431013), we get a palindrome (45236863254).

The spelling of 31013432241 in words is "thirty-one billion, thirteen million, four hundred thirty-two thousand, two hundred forty-one".