1831348345 has 8 divisors (see below), whose sum is σ = 2313282240. Its totient is φ = 1387969200.

The previous prime is 1831348331. The next prime is 1831348361. The reversal of 1831348345 is 5438431381.

1831348345 is nontrivially palindromic in base 4.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1831348345 - 2¹⁹ = 1830824057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1831348298 and 1831348307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9638581 + ... + 9638770.

It is an arithmetic number, because the mean of its divisors is an integer number (289160280).

Almost surely, 2^1831348345 is an apocalyptic number.

It is an amenable number.

1831348345 is a deficient number, since it is larger than the sum of its proper divisors (481933895).

1831348345 is a wasteful number, since it uses less digits than its factorization.

1831348345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19277375.

The product of its digits is 138240, while the sum is 40.

The square root of 1831348345 is about 42794.2559813814. The cubic root of 1831348345 is about 1223.4615355566.

The spelling of 1831348345 in words is "one billion, eight hundred thirty-one million, three hundred forty-eight thousand, three hundred forty-five".