1342311240 has 64 divisors (see below), whose sum is σ = 4238884800. Its totient is φ = 339109632.

The previous prime is 1342311193. The next prime is 1342311247. The reversal of 1342311240 is 421132431.

It is not an unprimeable number, because it can be changed into a prime (1342311247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292087 + ... + 296646.

It is an arithmetic number, because the mean of its divisors is an integer number (66232575).

Almost surely, 2^1342311240 is an apocalyptic number.

1342311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342311240 is an abundant number, since it is smaller than the sum of its proper divisors (2896573560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1342311240 is a wasteful number, since it uses less digits than its factorization.

1342311240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588766 (or 588762 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1342311240 is about 36637.5659671873. The cubic root of 1342311240 is about 1103.1072584894.

Adding to 1342311240 its reverse (421132431), we get a palindrome (1763443671).

The spelling of 1342311240 in words is "one billion, three hundred forty-two million, three hundred eleven thousand, two hundred forty".