131001212469 has 16 divisors (see below), whose sum is σ = 174849696320. Its totient is φ = 87243488640.

The previous prime is 131001212413. The next prime is 131001212473. The reversal of 131001212469 is 964212100131.

It is not a de Polignac number, because 131001212469 - 2⁷ = 131001212341 is a prime.

It is a super-2 number, since 2×131001212469² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001212569) 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, 14917722 + ... + 14926500.

It is an arithmetic number, because the mean of its divisors is an integer number (10928106020).

Almost surely, 2^131001212469 is an apocalyptic number.

It is an amenable number.

131001212469 is a deficient number, since it is larger than the sum of its proper divisors (43848483851).

131001212469 is a wasteful number, since it uses less digits than its factorization.

131001212469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13380.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 131001212469 in words is "one hundred thirty-one billion, one million, two hundred twelve thousand, four hundred sixty-nine".