31441314331 has 4 divisors (see below), whose sum is σ = 35932930672. Its totient is φ = 26949697992.

The previous prime is 31441314329. The next prime is 31441314349. The reversal of 31441314331 is 13341314413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31441314331 - 2¹ = 31441314329 is a prime.

It is a super-2 number, since 2×31441314331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31441314331.

It is not an unprimeable number, because it can be changed into a prime (31441314031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2245808160 + ... + 2245808173.

It is an arithmetic number, because the mean of its divisors is an integer number (8983232668).

Almost surely, 2^31441314331 is an apocalyptic number.

31441314331 is a deficient number, since it is larger than the sum of its proper divisors (4491616341).

31441314331 is an equidigital number, since it uses as much as digits as its factorization.

31441314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4491616340.

The product of its digits is 5184, while the sum is 28.

Adding to 31441314331 its reverse (13341314413), we get a palindrome (44782628744).

The spelling of 31441314331 in words is "thirty-one billion, four hundred forty-one million, three hundred fourteen thousand, three hundred thirty-one".