31797141241 has 4 divisors (see below), whose sum is σ = 33667561332. Its totient is φ = 29926721152.

The previous prime is 31797141217. The next prime is 31797141251. The reversal of 31797141241 is 14214179713.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8607942841 + 23189198400 = 92779^2 + 152280^2 .

It is a cyclic number.

It is not a de Polignac number, because 31797141241 - 2⁵ = 31797141209 is a prime.

It is a super-2 number, since 2×31797141241² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31797141194 and 31797141203.

It is not an unprimeable number, because it can be changed into a prime (31797141251) 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, 935210020 + ... + 935210053.

It is an arithmetic number, because the mean of its divisors is an integer number (8416890333).

Almost surely, 2^31797141241 is an apocalyptic number.

It is an amenable number.

31797141241 is a deficient number, since it is larger than the sum of its proper divisors (1870420091).

31797141241 is a wasteful number, since it uses less digits than its factorization.

31797141241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870420090.

The product of its digits is 42336, while the sum is 40.

The spelling of 31797141241 in words is "thirty-one billion, seven hundred ninety-seven million, one hundred forty-one thousand, two hundred forty-one".