1831107772 has 12 divisors (see below), whose sum is σ = 3450933976. Its totient is φ = 845126640.

The previous prime is 1831107727. The next prime is 1831107797. The reversal of 1831107772 is 2777011381.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17606754 + ... + 17606857.

Almost surely, 2^1831107772 is an apocalyptic number.

It is an amenable number.

1831107772 is a deficient number, since it is larger than the sum of its proper divisors (1619826204).

1831107772 is a wasteful number, since it uses less digits than its factorization.

1831107772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35213628 (or 35213626 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 37.

The square root of 1831107772 is about 42791.4450795951. The cubic root of 1831107772 is about 1223.4079603311.

The spelling of 1831107772 in words is "one billion, eight hundred thirty-one million, one hundred seven thousand, seven hundred seventy-two".