1313152232 has 32 divisors (see below), whose sum is σ = 2879342400. Its totient is φ = 549690624.

The previous prime is 1313152201. The next prime is 1313152249. The reversal of 1313152232 is 2322513131.

It is a junction number, because it is equal to n+sod(n) for n = 1313152198 and 1313152207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270257 + ... + 275072.

It is an arithmetic number, because the mean of its divisors is an integer number (89979450).

Almost surely, 2^1313152232 is an apocalyptic number.

It is an amenable number.

1313152232 is an abundant number, since it is smaller than the sum of its proper divisors (1566190168).

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

1313152232 is a wasteful number, since it uses less digits than its factorization.

1313152232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545385 (or 545381 counting only the distinct ones).

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

The square root of 1313152232 is about 36237.4424042316. The cubic root of 1313152232 is about 1095.0611176384.

Adding to 1313152232 its reverse (2322513131), we get a palindrome (3635665363).

The spelling of 1313152232 in words is "one billion, three hundred thirteen million, one hundred fifty-two thousand, two hundred thirty-two".