201011231983 has 2 divisors, whose sum is σ = 201011231984. Its totient is φ = 201011231982.

The previous prime is 201011231933. The next prime is 201011232029. The reversal of 201011231983 is 389132110102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201011231983 - 2¹⁷ = 201011100911 is a prime.

It is a super-2 number, since 2×201011231983² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201011231923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505615991 + 100505615992.

It is an arithmetic number, because the mean of its divisors is an integer number (100505615992).

Almost surely, 2^201011231983 is an apocalyptic number.

201011231983 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011231983 is an equidigital number, since it uses as much as digits as its factorization.

201011231983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 201011231983 in words is "two hundred one billion, eleven million, two hundred thirty-one thousand, nine hundred eighty-three".