31030300101 has 16 divisors (see below), whose sum is σ = 41695318080. Its totient is φ = 20526627840.

The previous prime is 31030300099. The next prime is 31030300127. The reversal of 31030300101 is 10100303013.

It is not a de Polignac number, because 31030300101 - 2¹ = 31030300099 is a prime.

It is a super-2 number, since 2×31030300101² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030300501) 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 15 ways as a sum of consecutive naturals, for example, 156346 + ... + 294116.

It is an arithmetic number, because the mean of its divisors is an integer number (2605957380).

Almost surely, 2^31030300101 is an apocalyptic number.

It is an amenable number.

31030300101 is a deficient number, since it is larger than the sum of its proper divisors (10665017979).

31030300101 is a wasteful number, since it uses less digits than its factorization.

31030300101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138356.

The product of its (nonzero) digits is 27, while the sum is 12.

Adding to 31030300101 its reverse (10100303013), we get a palindrome (41130603114).

The spelling of 31030300101 in words is "thirty-one billion, thirty million, three hundred thousand, one hundred one".