131343401 has 8 divisors (see below), whose sum is σ = 150205440. Its totient is φ = 112506048.

The previous prime is 131343379. The next prime is 131343449. The reversal of 131343401 is 104343131.

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 131343401 - 2¹⁸ = 131081257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131343461) 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, 7160 + ... + 17718.

It is an arithmetic number, because the mean of its divisors is an integer number (18775680).

Almost surely, 2^131343401 is an apocalyptic number.

It is an amenable number.

131343401 is a deficient number, since it is larger than the sum of its proper divisors (18862039).

131343401 is a wasteful number, since it uses less digits than its factorization.

131343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 131343401 is about 11460.5148662702. The cubic root of 131343401 is about 508.3186989486.

Adding to 131343401 its reverse (104343131), we get a palindrome (235686532).

The spelling of 131343401 in words is "one hundred thirty-one million, three hundred forty-three thousand, four hundred one".