131001022451 has 6 divisors (see below), whose sum is σ = 141853178340. Its totient is φ = 120924020568.

The previous prime is 131001022417. The next prime is 131001022463. The reversal of 131001022451 is 154220100131.

It is not a de Polignac number, because 131001022451 - 2²² = 130996828147 is a prime.

It is a super-2 number, since 2×131001022451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131001022151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 387576821 + ... + 387577158.

It is an arithmetic number, because the mean of its divisors is an integer number (23642196390).

Almost surely, 2^131001022451 is an apocalyptic number.

131001022451 is a deficient number, since it is larger than the sum of its proper divisors (10852155889).

131001022451 is an equidigital number, since it uses as much as digits as its factorization.

131001022451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775154005 (or 775153992 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 131001022451 its reverse (154220100131), we get a palindrome (285221122582).

The spelling of 131001022451 in words is "one hundred thirty-one billion, one million, twenty-two thousand, four hundred fifty-one".