131224311001 has 8 divisors (see below), whose sum is σ = 149975233344. Its totient is φ = 112474536720.

The previous prime is 131224310981. The next prime is 131224311013. The reversal of 131224311001 is 100113422131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131224311001 - 2⁵ = 131224310969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131224311001.

It is not an unprimeable number, because it can be changed into a prime (131224312001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26290 + ... + 512971.

It is an arithmetic number, because the mean of its divisors is an integer number (18746904168).

Almost surely, 2^131224311001 is an apocalyptic number.

It is an amenable number.

131224311001 is a deficient number, since it is larger than the sum of its proper divisors (18750922343).

131224311001 is an equidigital number, since it uses as much as digits as its factorization.

131224311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574031.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131224311001 its reverse (100113422131), we get a palindrome (231337733132).

It can be divided in two parts, 131224 and 311001, that added together give a square (442225 = 665²).

The spelling of 131224311001 in words is "one hundred thirty-one billion, two hundred twenty-four million, three hundred eleven thousand, one".