131035343 has 4 divisors (see below), whose sum is σ = 137931960. Its totient is φ = 124138728.

The previous prime is 131035327. The next prime is 131035361. The reversal of 131035343 is 343530131.

It is a happy number.

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 131035343 - 2⁴ = 131035327 is a prime.

It is a super-2 number, since 2×131035343² = 34340522230255298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131035313) 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, 3448280 + ... + 3448317.

It is an arithmetic number, because the mean of its divisors is an integer number (34482990).

Almost surely, 2^131035343 is an apocalyptic number.

131035343 is a deficient number, since it is larger than the sum of its proper divisors (6896617).

131035343 is an equidigital number, since it uses as much as digits as its factorization.

131035343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896616.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 131035343 is about 11447.0670042592. The cubic root of 131035343 is about 507.9209775919.

Adding to 131035343 its reverse (343530131), we get a palindrome (474565474).

The spelling of 131035343 in words is "one hundred thirty-one million, thirty-five thousand, three hundred forty-three".