2231041209977 has 2 divisors, whose sum is σ = 2231041209978. Its totient is φ = 2231041209976.

The previous prime is 2231041209967. The next prime is 2231041210033. The reversal of 2231041209977 is 7799021401322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2215539963961 + 15501246016 = 1488469^2 + 124504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231041209977 - 2²⁶ = 2230974101113 is a prime.

It is a super-3 number, since 3×2231041209977³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231041209967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115520604988 + 1115520604989.

It is an arithmetic number, because the mean of its divisors is an integer number (1115520604989).

Almost surely, 2^{2231041209977} is an apocalyptic number.

It is an amenable number.

2231041209977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231041209977 is an equidigital number, since it uses as much as digits as its factorization.

2231041209977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 2231041209977 in words is "two trillion, two hundred thirty-one billion, forty-one million, two hundred nine thousand, nine hundred seventy-seven".