1301312232 has 96 divisors (see below), whose sum is σ = 3852463680. Its totient is φ = 393550080.

The previous prime is 1301312227. The next prime is 1301312251. The reversal of 1301312232 is 2322131031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487333 + ... + 489995.

It is an arithmetic number, because the mean of its divisors is an integer number (40129830).

Almost surely, 2^1301312232 is an apocalyptic number.

1301312232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301312232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1926231840).

1301312232 is an abundant number, since it is smaller than the sum of its proper divisors (2551151448).

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

1301312232 is a wasteful number, since it uses less digits than its factorization.

1301312232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3296 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1301312232 is about 36073.7055485017. The cubic root of 1301312232 is about 1091.7599802552.

Adding to 1301312232 its reverse (2322131031), we get a palindrome (3623443263).

The spelling of 1301312232 in words is "one billion, three hundred one million, three hundred twelve thousand, two hundred thirty-two".