340422131 has 4 divisors (see below), whose sum is σ = 389053872. Its totient is φ = 291790392.

The previous prime is 340422119. The next prime is 340422193. The reversal of 340422131 is 131224043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340422131 is a prime.

It is a super-2 number, since 2×340422131² = 231774454549162322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340424131) 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, 24315860 + ... + 24315873.

It is an arithmetic number, because the mean of its divisors is an integer number (97263468).

Almost surely, 2^340422131 is an apocalyptic number.

340422131 is a deficient number, since it is larger than the sum of its proper divisors (48631741).

340422131 is an equidigital number, since it uses as much as digits as its factorization.

340422131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48631740.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 340422131 is about 18450.5319977501. The cubic root of 340422131 is about 698.2419359021.

Adding to 340422131 its reverse (131224043), we get a palindrome (471646174).

The spelling of 340422131 in words is "three hundred forty million, four hundred twenty-two thousand, one hundred thirty-one".