131501422 has 8 divisors (see below), whose sum is σ = 212425416. Its totient is φ = 60692952.

The previous prime is 131501417. The next prime is 131501423. The reversal of 131501422 is 224105131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 131501422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131501423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528848 + ... + 2528899.

It is an arithmetic number, because the mean of its divisors is an integer number (26553177).

Almost surely, 2^131501422 is an apocalyptic number.

131501422 is a deficient number, since it is larger than the sum of its proper divisors (80923994).

131501422 is a wasteful number, since it uses less digits than its factorization.

131501422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057762.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 131501422 is about 11467.4069431585. The cubic root of 131501422 is about 508.5224722550.

Adding to 131501422 its reverse (224105131), we get a palindrome (355606553).

The spelling of 131501422 in words is "one hundred thirty-one million, five hundred one thousand, four hundred twenty-two".