1315012032 has 84 divisors (see below), whose sum is σ = 3778703136. Its totient is φ = 437237760.

The previous prime is 1315012031. The next prime is 1315012037. The reversal of 1315012032 is 2302105131.

1315012032 is a `hidden beast` number, since 131 + 501 + 2 + 0 + 32 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1315011996 and 1315012014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315012031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245608 + ... + 250904.

Almost surely, 2^1315012032 is an apocalyptic number.

1315012032 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 1315012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889351568).

1315012032 is an abundant number, since it is smaller than the sum of its proper divisors (2463691104).

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

1315012032 is a wasteful number, since it uses less digits than its factorization.

1315012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746 (or 5733 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1315012032 is about 36263.0946280099. The cubic root of 1315012032 is about 1095.5778472567.

Adding to 1315012032 its reverse (2302105131), we get a palindrome (3617117163).

The spelling of 1315012032 in words is "one billion, three hundred fifteen million, twelve thousand, thirty-two".