2101030100031 has 16 divisors (see below), whose sum is σ = 2905789120256. Its totient is φ = 1349371348416.

The previous prime is 2101030099991. The next prime is 2101030100047. The reversal of 2101030100031 is 1300010301012.

It is not a de Polignac number, because 2101030100031 - 2¹¹ = 2101030097983 is a prime.

It is a super-2 number, since 2×2101030100031² (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 (2101030100431) 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, 111545755 + ... + 111564588.

It is an arithmetic number, because the mean of its divisors is an integer number (181611820016).

Almost surely, 2^{2101030100031} is an apocalyptic number.

2101030100031 is a deficient number, since it is larger than the sum of its proper divisors (804759020225).

2101030100031 is a wasteful number, since it uses less digits than its factorization.

2101030100031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223110462.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 2101030100031 its reverse (1300010301012), we get a palindrome (3401040401043).

The spelling of 2101030100031 in words is "two trillion, one hundred one billion, thirty million, one hundred thousand, thirty-one".