131819051 has 16 divisors (see below), whose sum is σ = 162961344. Its totient is φ = 103832064.

The previous prime is 131819033. The next prime is 131819081. The reversal of 131819051 is 150918131.

It is not a de Polignac number, because 131819051 - 2¹⁴ = 131802667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131819021) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18095 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (10185084).

Almost surely, 2^131819051 is an apocalyptic number.

131819051 is a deficient number, since it is larger than the sum of its proper divisors (31142293).

131819051 is a wasteful number, since it uses less digits than its factorization.

131819051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 131819051 is about 11481.2477980401. The cubic root of 131819051 is about 508.9315720442.

The spelling of 131819051 in words is "one hundred thirty-one million, eight hundred nineteen thousand, fifty-one".