201031002373 has 2 divisors, whose sum is σ = 201031002374. Its totient is φ = 201031002372.

The previous prime is 201031002281. The next prime is 201031002391. The reversal of 201031002373 is 373200130102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195786780484 + 5244221889 = 442478^2 + 72417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201031002373 is a prime.

It is a super-2 number, since 2×201031002373² (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 (201031002673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100515501186 + 100515501187.

It is an arithmetic number, because the mean of its divisors is an integer number (100515501187).

Almost surely, 2^201031002373 is an apocalyptic number.

It is an amenable number.

201031002373 is a deficient number, since it is larger than the sum of its proper divisors (1).

201031002373 is an equidigital number, since it uses as much as digits as its factorization.

201031002373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 201031002373 its reverse (373200130102), we get a palindrome (574231132475).

The spelling of 201031002373 in words is "two hundred one billion, thirty-one million, two thousand, three hundred seventy-three".