201330246631 has 2 divisors, whose sum is σ = 201330246632. Its totient is φ = 201330246630.

The previous prime is 201330246619. The next prime is 201330246721. The reversal of 201330246631 is 136642033102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201330246631 - 2⁷ = 201330246503 is a prime.

It is a super-2 number, since 2×201330246631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201330246593 and 201330246602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201330246431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665123315 + 100665123316.

It is an arithmetic number, because the mean of its divisors is an integer number (100665123316).

Almost surely, 2^201330246631 is an apocalyptic number.

201330246631 is a deficient number, since it is larger than the sum of its proper divisors (1).

201330246631 is an equidigital number, since it uses as much as digits as its factorization.

201330246631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 201330246631 its reverse (136642033102), we get a palindrome (337972279733).

The spelling of 201330246631 in words is "two hundred one billion, three hundred thirty million, two hundred forty-six thousand, six hundred thirty-one".