2031030320101 has 4 divisors (see below), whose sum is σ = 2049663625900. Its totient is φ = 2012397014304.

The previous prime is 2031030320083. The next prime is 2031030320153. The reversal of 2031030320101 is 1010230301302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1819086100225 + 211944219876 = 1348735^2 + 460374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031030320101 is a prime.

It is a super-2 number, since 2×2031030320101² (a number of 25 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 (2031030320401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9316652736 + ... + 9316652953.

It is an arithmetic number, because the mean of its divisors is an integer number (512415906475).

Almost surely, 2^{2031030320101} is an apocalyptic number.

It is an amenable number.

2031030320101 is a deficient number, since it is larger than the sum of its proper divisors (18633305799).

2031030320101 is a wasteful number, since it uses less digits than its factorization.

2031030320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18633305798.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2031030320101 its reverse (1010230301302), we get a palindrome (3041260621403).

The spelling of 2031030320101 in words is "two trillion, thirty-one billion, thirty million, three hundred twenty thousand, one hundred one".