1131235352 has 32 divisors (see below), whose sum is σ = 2418595200. Its totient is φ = 491395584.

The previous prime is 1131235349. The next prime is 1131235363. The reversal of 1131235352 is 2535321311.

It is a super-2 number, since 2×1131235352² = 2559386843229127808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 318152 + ... + 321687.

It is an arithmetic number, because the mean of its divisors is an integer number (75581100).

Almost surely, 2^1131235352 is an apocalyptic number.

It is an amenable number.

1131235352 is an abundant number, since it is smaller than the sum of its proper divisors (1287359848).

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

1131235352 is a wasteful number, since it uses less digits than its factorization.

1131235352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639875 (or 639871 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 1131235352 is about 33633.8423615263. The cubic root of 1131235352 is about 1041.9598620461.

Adding to 1131235352 its reverse (2535321311), we get a palindrome (3666556663).

It can be divided in two parts, 11312 and 35352, that added together give a palindrome (46664).

The spelling of 1131235352 in words is "one billion, one hundred thirty-one million, two hundred thirty-five thousand, three hundred fifty-two".