1831418183401 has 9 divisors (see below), whose sum is σ = 1849868630103. Its totient is φ = 1813150000200.

The previous prime is 1831418183389. The next prime is 1831418183461. The reversal of 1831418183401 is 1043818141381.

The square root of 1831418183401 is 1353299.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1759604903001 + 71813280400 = 1326501^2 + 267980^2 .

It is not a de Polignac number, because 1831418183401 - 2²¹ = 1831416086249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1831418183461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 136676500 + ... + 136689898.

Almost surely, 2^{1831418183401} is an apocalyptic number.

1831418183401 is the 1353299-th square number.

1831418183401 is the 676650-th centered octagonal number.

It is an amenable number.

1831418183401 is a deficient number, since it is larger than the sum of its proper divisors (18450446702).

1831418183401 is an frugal number, since it uses more digits than its factorization.

1831418183401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27000 (or 13500 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 43.

The spelling of 1831418183401 in words is "one trillion, eight hundred thirty-one billion, four hundred eighteen million, one hundred eighty-three thousand, four hundred one".