131422013 has 8 divisors (see below), whose sum is σ = 132728832. Its totient is φ = 130119696.

The previous prime is 131422009. The next prime is 131422021. The reversal of 131422013 is 310224131.

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

It is a cyclic number.

It is not a de Polignac number, because 131422013 - 2² = 131422009 is a prime.

It is a super-4 number, since 4×131422013⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131421982 and 131422000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131422043) 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, 95456 + ... + 96822.

It is an arithmetic number, because the mean of its divisors is an integer number (16591104).

Almost surely, 2^131422013 is an apocalyptic number.

It is an amenable number.

131422013 is a deficient number, since it is larger than the sum of its proper divisors (1306819).

131422013 is a wasteful number, since it uses less digits than its factorization.

131422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131422013 is about 11463.9440420826. The cubic root of 131422013 is about 508.4200921403.

Adding to 131422013 its reverse (310224131), we get a palindrome (441646144).

The spelling of 131422013 in words is "one hundred thirty-one million, four hundred twenty-two thousand, thirteen".