1315601232 has 40 divisors (see below), whose sum is σ = 3707604960. Its totient is φ = 398666880.

The previous prime is 1315601227. The next prime is 1315601233. The reversal of 1315601232 is 2321065131.

1315601232 = T₄₁₃ + T₄₁₄ + ... + T₁₉₉₆.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315601233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245307 + ... + 1246362.

It is an arithmetic number, because the mean of its divisors is an integer number (92690124).

Almost surely, 2^1315601232 is an apocalyptic number.

1315601232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1315601232 is an abundant number, since it is smaller than the sum of its proper divisors (2392003728).

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

1315601232 is a wasteful number, since it uses less digits than its factorization.

1315601232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491691 (or 2491685 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1315601232 is about 36271.2176801386. The cubic root of 1315601232 is about 1095.7414498365.

Adding to 1315601232 its reverse (2321065131), we get a palindrome (3636666363).

The spelling of 1315601232 in words is "one billion, three hundred fifteen million, six hundred one thousand, two hundred thirty-two".