201302313031 has 16 divisors (see below), whose sum is σ = 208444864768. Its totient is φ = 194200934400.

The previous prime is 201302312947. The next prime is 201302313053. The reversal of 201302313031 is 130313203102.

It is a cyclic number.

It is not a de Polignac number, because 201302313031 - 2⁷ = 201302312903 is a prime.

It is a super-2 number, since 2×201302313031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201302313631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26000821 + ... + 26008561.

It is an arithmetic number, because the mean of its divisors is an integer number (13027804048).

Almost surely, 2^201302313031 is an apocalyptic number.

201302313031 is a deficient number, since it is larger than the sum of its proper divisors (7142551737).

201302313031 is a wasteful number, since it uses less digits than its factorization.

201302313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10282.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 201302313031 its reverse (130313203102), we get a palindrome (331615516133).

The spelling of 201302313031 in words is "two hundred one billion, three hundred two million, three hundred thirteen thousand, thirty-one".