1342931 has 4 divisors (see below), whose sum is σ = 1371552. Its totient is φ = 1314312.

The previous prime is 1342909. The next prime is 1342963. The reversal of 1342931 is 1392431.

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 1342931 - 2¹⁸ = 1080787 is a prime.

It is a super-2 number, since 2×1342931² = 3606927341522, 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 = 1342897 and 1342906.

It is not an unprimeable number, because it can be changed into a prime (1342531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14240 + ... + 14333.

It is an arithmetic number, because the mean of its divisors is an integer number (342888).

2^1342931 is an apocalyptic number.

1342931 is a deficient number, since it is larger than the sum of its proper divisors (28621).

1342931 is an equidigital number, since it uses as much as digits as its factorization.

1342931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28620.

The product of its digits is 648, while the sum is 23.

The square root of 1342931 is about 1158.8489979285. The cubic root of 1342931 is about 110.3277004656.

The spelling of 1342931 in words is "one million, three hundred forty-two thousand, nine hundred thirty-one".