340803131 has 8 divisors (see below), whose sum is σ = 361175760. Its totient is φ = 320466688.

The previous prime is 340803109. The next prime is 340803137. The reversal of 340803131 is 131308043.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340803131 is a prime.

It is a super-2 number, since 2×340803131² = 232293548198806322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340803097 and 340803106.

It is not an unprimeable number, because it can be changed into a prime (340803137) 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, 11735 + ... + 28623.

It is an arithmetic number, because the mean of its divisors is an integer number (45146970).

Almost surely, 2^340803131 is an apocalyptic number.

340803131 is a deficient number, since it is larger than the sum of its proper divisors (20372629).

340803131 is a wasteful number, since it uses less digits than its factorization.

340803131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18093.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 340803131 is about 18460.8540159983. The cubic root of 340803131 is about 698.5023292669.

The spelling of 340803131 in words is "three hundred forty million, eight hundred three thousand, one hundred thirty-one".