31436191419089 has 4 divisors (see below), whose sum is σ = 31436206558320. Its totient is φ = 31436176279860.

The previous prime is 31436191419079. The next prime is 31436191419097. The reversal of 31436191419089 is 98091419163413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31436191419089 - 2⁴⁴ = 13844005374673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31436191419079) 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 3 ways as a sum of consecutive naturals, for example, 3843527 + ... + 8811644.

It is an arithmetic number, because the mean of its divisors is an integer number (7859051639580).

Almost surely, 2^{31436191419089} is an apocalyptic number.

It is an amenable number.

31436191419089 is a deficient number, since it is larger than the sum of its proper divisors (15139231).

31436191419089 is a wasteful number, since it uses less digits than its factorization.

31436191419089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15139230.

The product of its (nonzero) digits is 5038848, while the sum is 59.

The spelling of 31436191419089 in words is "thirty-one trillion, four hundred thirty-six billion, one hundred ninety-one million, four hundred nineteen thousand, eighty-nine".