1315232132 has 48 divisors (see below), whose sum is σ = 2492904960. Its totient is φ = 604910592.

The previous prime is 1315232131. The next prime is 1315232137. The reversal of 1315232132 is 2312325131.

It is a super-2 number, since 2×1315232132² = 3459671122090530848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1315232098 and 1315232107.

It is not an unprimeable number, because it can be changed into a prime (1315232131) 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, 552128 + ... + 554504.

It is an arithmetic number, because the mean of its divisors is an integer number (51935520).

Almost surely, 2^1315232132 is an apocalyptic number.

It is an amenable number.

1315232132 is a deficient number, since it is larger than the sum of its proper divisors (1177672828).

1315232132 is a wasteful number, since it uses less digits than its factorization.

1315232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580 (or 2578 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 1315232132 is about 36266.1292668517. The cubic root of 1315232132 is about 1095.6389679224.

Adding to 1315232132 its reverse (2312325131), we get a palindrome (3627557263).

The spelling of 1315232132 in words is "one billion, three hundred fifteen million, two hundred thirty-two thousand, one hundred thirty-two".