201031420319 has 2 divisors, whose sum is σ = 201031420320. Its totient is φ = 201031420318.

The previous prime is 201031420307. The next prime is 201031420409. The reversal of 201031420319 is 913024130102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201031420319 is a prime.

It is a super-2 number, since 2×201031420319² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201031420819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100515710159 + 100515710160.

It is an arithmetic number, because the mean of its divisors is an integer number (100515710160).

Almost surely, 2^201031420319 is an apocalyptic number.

201031420319 is a deficient number, since it is larger than the sum of its proper divisors (1).

201031420319 is an equidigital number, since it uses as much as digits as its factorization.

201031420319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 201031420319 in words is "two hundred one billion, thirty-one million, four hundred twenty thousand, three hundred nineteen".