31300201031 has 4 divisors (see below), whose sum is σ = 34145673864. Its totient is φ = 28454728200.

The previous prime is 31300201013. The next prime is 31300201039. The reversal of 31300201031 is 13010200313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31300201031 is a prime.

It is a super-2 number, since 2×31300201031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31300200997 and 31300201015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300201039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422736400 + ... + 1422736421.

It is an arithmetic number, because the mean of its divisors is an integer number (8536418466).

Almost surely, 2^31300201031 is an apocalyptic number.

31300201031 is a deficient number, since it is larger than the sum of its proper divisors (2845472833).

31300201031 is a wasteful number, since it uses less digits than its factorization.

31300201031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845472832.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31300201031 its reverse (13010200313), we get a palindrome (44310401344).

The spelling of 31300201031 in words is "thirty-one billion, three hundred million, two hundred one thousand, thirty-one".