1311422032 has 10 divisors (see below), whose sum is σ = 2540880218. Its totient is φ = 655711008.

The previous prime is 1311422029. The next prime is 1311422033. The reversal of 1311422032 is 2302241131.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 922701376 + 388720656 = 30376^2 + 19716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311422033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40981923 + ... + 40981954.

Almost surely, 2^1311422032 is an apocalyptic number.

It is an amenable number.

1311422032 is a deficient number, since it is larger than the sum of its proper divisors (1229458186).

1311422032 is an equidigital number, since it uses as much as digits as its factorization.

1311422032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81963885 (or 81963879 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1311422032 is about 36213.5614376714. The cubic root of 1311422032 is about 1094.5799580171.

Adding to 1311422032 its reverse (2302241131), we get a palindrome (3613663163).

The spelling of 1311422032 in words is "one billion, three hundred eleven million, four hundred twenty-two thousand, thirty-two".