2131104030101 has 4 divisors (see below), whose sum is σ = 2166040161804. Its totient is φ = 2096167898400.

The previous prime is 2131104030073. The next prime is 2131104030137. The reversal of 2131104030101 is 1010304011312.

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 485810394001 + 1645293636100 = 697001^2 + 1282690^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131104030101 - 2⁶ = 2131104030037 is a prime.

It is a super-2 number, since 2×2131104030101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131104030101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131104030401) 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, 17468065760 + ... + 17468065881.

It is an arithmetic number, because the mean of its divisors is an integer number (541510040451).

Almost surely, 2^{2131104030101} is an apocalyptic number.

It is an amenable number.

2131104030101 is a deficient number, since it is larger than the sum of its proper divisors (34936131703).

2131104030101 is an equidigital number, since it uses as much as digits as its factorization.

2131104030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34936131702.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2131104030101 its reverse (1010304011312), we get a palindrome (3141408041413).

The spelling of 2131104030101 in words is "two trillion, one hundred thirty-one billion, one hundred four million, thirty thousand, one hundred one".