345132131 has 8 divisors (see below), whose sum is σ = 370152720. Its totient is φ = 320797152.

The previous prime is 345132107. The next prime is 345132143. The reversal of 345132131 is 131231543.

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 345132131 - 2²² = 340937827 is a prime.

It is a super-3 number, since 3×345132131³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345132097 and 345132106.

It is not an unprimeable number, because it can be changed into a prime (345132191) 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, 170360 + ... + 172373.

It is an arithmetic number, because the mean of its divisors is an integer number (46269090).

Almost surely, 2^345132131 is an apocalyptic number.

345132131 is a deficient number, since it is larger than the sum of its proper divisors (25020589).

345132131 is a wasteful number, since it uses less digits than its factorization.

345132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342805.

The product of its digits is 1080, while the sum is 23.

The square root of 345132131 is about 18577.7321274692. The cubic root of 345132131 is about 701.4474342376.

Adding to 345132131 its reverse (131231543), we get a palindrome (476363674).

The spelling of 345132131 in words is "three hundred forty-five million, one hundred thirty-two thousand, one hundred thirty-one".