31020300101 has 12 divisors (see below), whose sum is σ = 36323820000. Its totient is φ = 26412737400.

The previous prime is 31020300043. The next prime is 31020300131. The reversal of 31020300101 is 10100302013.

It is not a de Polignac number, because 31020300101 - 2¹⁰ = 31020299077 is a prime.

It is a super-2 number, since 2×31020300101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31020300131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2088851 + ... + 2103648.

It is an arithmetic number, because the mean of its divisors is an integer number (3026985000).

Almost surely, 2^31020300101 is an apocalyptic number.

It is an amenable number.

31020300101 is a deficient number, since it is larger than the sum of its proper divisors (5303519899).

31020300101 is a wasteful number, since it uses less digits than its factorization.

31020300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192664 (or 4192657 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 31020300101 its reverse (10100302013), we get a palindrome (41120602114).

The spelling of 31020300101 in words is "thirty-one billion, twenty million, three hundred thousand, one hundred one".