201100323031 has 2 divisors, whose sum is σ = 201100323032. Its totient is φ = 201100323030.

The previous prime is 201100322993. The next prime is 201100323041. The reversal of 201100323031 is 130323001102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201100323031 - 2¹⁹ = 201099798743 is a prime.

It is a super-2 number, since 2×201100323031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201100322996 and 201100323014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201100323041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550161515 + 100550161516.

It is an arithmetic number, because the mean of its divisors is an integer number (100550161516).

Almost surely, 2^201100323031 is an apocalyptic number.

201100323031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100323031 is an equidigital number, since it uses as much as digits as its factorization.

201100323031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 201100323031 its reverse (130323001102), we get a palindrome (331423324133).

The spelling of 201100323031 in words is "two hundred one billion, one hundred million, three hundred twenty-three thousand, thirty-one".