31441431011 has 8 divisors (see below), whose sum is σ = 32220342000. Its totient is φ = 30663093760.

The previous prime is 31441430989. The next prime is 31441431067. The reversal of 31441431011 is 11013414413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31441431011 - 2¹⁸ = 31441168867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31441431071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31406 + ... + 252723.

It is an arithmetic number, because the mean of its divisors is an integer number (4027542750).

Almost surely, 2^31441431011 is an apocalyptic number.

31441431011 is a deficient number, since it is larger than the sum of its proper divisors (778910989).

31441431011 is a wasteful number, since it uses less digits than its factorization.

31441431011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286869.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31441431011 its reverse (11013414413), we get a palindrome (42454845424).

The spelling of 31441431011 in words is "thirty-one billion, four hundred forty-one million, four hundred thirty-one thousand, eleven".