131420335 has 4 divisors (see below), whose sum is σ = 157704408. Its totient is φ = 105136264.

The previous prime is 131420327. The next prime is 131420339. The reversal of 131420335 is 533024131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131420335 - 2³ = 131420327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131420339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13142029 + ... + 13142038.

It is an arithmetic number, because the mean of its divisors is an integer number (39426102).

Almost surely, 2^131420335 is an apocalyptic number.

131420335 is a deficient number, since it is larger than the sum of its proper divisors (26284073).

131420335 is an equidigital number, since it uses as much as digits as its factorization.

131420335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26284072.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 131420335 is about 11463.8708558671. The cubic root of 131420335 is about 508.4179282904.

Adding to 131420335 its reverse (533024131), we get a palindrome (664444466).

The spelling of 131420335 in words is "one hundred thirty-one million, four hundred twenty thousand, three hundred thirty-five".