1131013452 has 24 divisors (see below), whose sum is σ = 2695182336. Its totient is φ = 368982928.

The previous prime is 1131013441. The next prime is 1131013463. The reversal of 1131013452 is 2543101311.

It is an interprime number because it is at equal distance from previous prime (1131013441) and next prime (1131013463).

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, 1002108 + ... + 1003235.

It is an arithmetic number, because the mean of its divisors is an integer number (112299264).

Almost surely, 2^1131013452 is an apocalyptic number.

1131013452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131013452 is an abundant number, since it is smaller than the sum of its proper divisors (1564168884).

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

1131013452 is a wasteful number, since it uses less digits than its factorization.

1131013452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005397 (or 2005395 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1131013452 is about 33630.5434389633. The cubic root of 1131013452 is about 1041.8917282687.

Adding to 1131013452 its reverse (2543101311), we get a palindrome (3674114763).

The spelling of 1131013452 in words is "one billion, one hundred thirty-one million, thirteen thousand, four hundred fifty-two".