340166531 has 4 divisors (see below), whose sum is σ = 340267464. Its totient is φ = 340065600.

The previous prime is 340166509. The next prime is 340166551. The reversal of 340166531 is 135661043.

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 340166531 - 2¹⁸ = 339904387 is a prime.

It is a super-2 number, since 2×340166531² = 231426537625147922, 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 = 340166494 and 340166503.

It is not an unprimeable number, because it can be changed into a prime (340166551) 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, 45230 + ... + 52211.

It is an arithmetic number, because the mean of its divisors is an integer number (85066866).

Almost surely, 2^340166531 is an apocalyptic number.

340166531 is a deficient number, since it is larger than the sum of its proper divisors (100933).

340166531 is an equidigital number, since it uses as much as digits as its factorization.

340166531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100932.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 340166531 is about 18443.6040675352. The cubic root of 340166531 is about 698.0671379005.

The spelling of 340166531 in words is "three hundred forty million, one hundred sixty-six thousand, five hundred thirty-one".