103581131619 has 16 divisors (see below), whose sum is σ = 157842542592. Its totient is φ = 59187482688.

The previous prime is 103581131587. The next prime is 103581131623. The reversal of 103581131619 is 916131185301.

It is not a de Polignac number, because 103581131619 - 2⁵ = 103581131587 is a prime.

It is a super-3 number, since 3×103581131619³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (103581131119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112407 + ... + 1201919.

It is an arithmetic number, because the mean of its divisors is an integer number (9865158912).

Almost surely, 2^103581131619 is an apocalyptic number.

103581131619 is a deficient number, since it is larger than the sum of its proper divisors (54261410973).

103581131619 is an equidigital number, since it uses as much as digits as its factorization.

103581131619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144626.

The product of its (nonzero) digits is 19440, while the sum is 39.

The spelling of 103581131619 in words is "one hundred three billion, five hundred eighty-one million, one hundred thirty-one thousand, six hundred nineteen".