31671880341 has 16 divisors (see below), whose sum is σ = 42559992000. Its totient is φ = 20949705728.

The previous prime is 31671880321. The next prime is 31671880363. The reversal of 31671880341 is 14308817613.

It is a cyclic number.

It is not a de Polignac number, because 31671880341 - 2¹⁹ = 31671356053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31671880293 and 31671880302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31671880321) 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, 175435 + ... + 306791.

It is an arithmetic number, because the mean of its divisors is an integer number (2659999500).

Almost surely, 2^31671880341 is an apocalyptic number.

It is an amenable number.

31671880341 is a deficient number, since it is larger than the sum of its proper divisors (10888111659).

31671880341 is a wasteful number, since it uses less digits than its factorization.

31671880341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131988.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 31671880341 in words is "thirty-one billion, six hundred seventy-one million, eight hundred eighty thousand, three hundred forty-one".