201332100031 has 2 divisors, whose sum is σ = 201332100032. Its totient is φ = 201332100030.

The previous prime is 201332099981. The next prime is 201332100043. The reversal of 201332100031 is 130001233102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201332100031 - 2⁹ = 201332099519 is a prime.

It is a super-2 number, since 2×201332100031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201332099978 and 201332100014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201332100331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100666050015 + 100666050016.

It is an arithmetic number, because the mean of its divisors is an integer number (100666050016).

Almost surely, 2^201332100031 is an apocalyptic number.

201332100031 is a deficient number, since it is larger than the sum of its proper divisors (1).

201332100031 is an equidigital number, since it uses as much as digits as its factorization.

201332100031 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 201332100031 its reverse (130001233102), we get a palindrome (331333333133).

The spelling of 201332100031 in words is "two hundred one billion, three hundred thirty-two million, one hundred thousand, thirty-one".