1742240311 has 4 divisors (see below), whose sum is σ = 1991131792. Its totient is φ = 1493348832.

The previous prime is 1742240309. The next prime is 1742240389. The reversal of 1742240311 is 1130422471.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1130422471 = 31 ⋅36465241.

It is a cyclic number.

It is not a de Polignac number, because 1742240311 - 2¹ = 1742240309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1742240011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124445730 + ... + 124445743.

It is an arithmetic number, because the mean of its divisors is an integer number (497782948).

Almost surely, 2^1742240311 is an apocalyptic number.

1742240311 is a deficient number, since it is larger than the sum of its proper divisors (248891481).

1742240311 is an equidigital number, since it uses as much as digits as its factorization.

1742240311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248891480.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1742240311 is about 41740.1522637376. The cubic root of 1742240311 is about 1203.2873544807.

Adding to 1742240311 its reverse (1130422471), we get a palindrome (2872662782).

The spelling of 1742240311 in words is "one billion, seven hundred forty-two million, two hundred forty thousand, three hundred eleven".