31780848841 has 16 divisors (see below), whose sum is σ = 36416438784. Its totient is φ = 27169219584.

The previous prime is 31780848839. The next prime is 31780848859. The reversal of 31780848841 is 14884808713.

It is a cyclic number.

It is not a de Polignac number, because 31780848841 - 2¹ = 31780848839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31780848881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5380896 + ... + 5386798.

It is an arithmetic number, because the mean of its divisors is an integer number (2276027424).

Almost surely, 2^31780848841 is an apocalyptic number.

It is an amenable number.

31780848841 is a deficient number, since it is larger than the sum of its proper divisors (4635589943).

31780848841 is a wasteful number, since it uses less digits than its factorization.

31780848841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800.

The product of its (nonzero) digits is 1376256, while the sum is 52.

The spelling of 31780848841 in words is "thirty-one billion, seven hundred eighty million, eight hundred forty-eight thousand, eight hundred forty-one".