2031332111101 has 4 divisors (see below), whose sum is σ = 2031554439612. Its totient is φ = 2031109782592.

The previous prime is 2031332111089. The next prime is 2031332111113. The reversal of 2031332111101 is 1011112331302.

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

It is an interprime number because it is at equal distance from previous prime (2031332111089) and next prime (2031332111113).

It can be written as a sum of positive squares in 2 ways, for example, as 44162602201 + 1987169508900 = 210149^2 + 1409670^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031332111101 - 2¹⁹ = 2031331586813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031332111161) 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, 111150550 + ... + 111168823.

It is an arithmetic number, because the mean of its divisors is an integer number (507888609903).

Almost surely, 2^{2031332111101} is an apocalyptic number.

It is an amenable number.

2031332111101 is a deficient number, since it is larger than the sum of its proper divisors (222328511).

2031332111101 is an equidigital number, since it uses as much as digits as its factorization.

2031332111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222328510.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 2031332111101 its reverse (1011112331302), we get a palindrome (3042444442403).

The spelling of 2031332111101 in words is "two trillion, thirty-one billion, three hundred thirty-two million, one hundred eleven thousand, one hundred one".