341531 has 4 divisors (see below), whose sum is σ = 343200. Its totient is φ = 339864.

The previous prime is 341521. The next prime is 341543. The reversal of 341531 is 135143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 135143 = 149 ⋅907.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341531 is a prime.

It is a super-2 number, since 2×341531² = 233286847922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (341501) 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, 476 + ... + 953.

It is an arithmetic number, because the mean of its divisors is an integer number (85800).

2³⁴¹⁵³¹ is an apocalyptic number.

341531 is a deficient number, since it is larger than the sum of its proper divisors (1669).

341531 is a wasteful number, since it uses less digits than its factorization.

341531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its digits is 180, while the sum is 17.

The square root of 341531 is about 584.4065365822. The cubic root of 341531 is about 69.8999250240.

Adding to 341531 its reverse (135143), we get a palindrome (476674).

The spelling of 341531 in words is "three hundred forty-one thousand, five hundred thirty-one".