1240231342 has 32 divisors (see below), whose sum is σ = 2258896320. Its totient is φ = 499322880.

The previous prime is 1240231331. The next prime is 1240231361. The reversal of 1240231342 is 2431320421.

It is a super-3 number, since 3×1240231342³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26259 + ... + 56302.

It is an arithmetic number, because the mean of its divisors is an integer number (70590510).

Almost surely, 2^1240231342 is an apocalyptic number.

1240231342 is a deficient number, since it is larger than the sum of its proper divisors (1018664978).

1240231342 is a wasteful number, since it uses less digits than its factorization.

1240231342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82636.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1240231342 is about 35216.9184057890. The cubic root of 1240231342 is about 1074.4038784707.

Adding to 1240231342 its reverse (2431320421), we get a palindrome (3671551763).

The spelling of 1240231342 in words is "one billion, two hundred forty million, two hundred thirty-one thousand, three hundred forty-two".