2231371485149 has 4 divisors (see below), whose sum is σ = 2240948187036. Its totient is φ = 2221794783264.

The previous prime is 2231371485107. The next prime is 2231371485197. The reversal of 2231371485149 is 9415841731322.

It is a happy number.

2231371485149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 149575562500 + 2081795922649 = 386750^2 + 1442843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231371485149 - 2²⁰ = 2231370436573 is a prime.

It is a super-3 number, since 3×2231371485149³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231371485097 and 2231371485106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231371485449) 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, 4788350594 + ... + 4788351059.

It is an arithmetic number, because the mean of its divisors is an integer number (560237046759).

Almost surely, 2^{2231371485149} is an apocalyptic number.

It is an amenable number.

2231371485149 is a deficient number, since it is larger than the sum of its proper divisors (9576701887).

2231371485149 is an equidigital number, since it uses as much as digits as its factorization.

2231371485149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9576701886.

The product of its digits is 1451520, while the sum is 50.

The spelling of 2231371485149 in words is "two trillion, two hundred thirty-one billion, three hundred seventy-one million, four hundred eighty-five thousand, one hundred forty-nine".