1131253030 has 32 divisors (see below), whose sum is σ = 2087078400. Its totient is φ = 441242592.

The previous prime is 1131253007. The next prime is 1131253037. The reversal of 1131253030 is 303521311.

It is a junction number, because it is equal to n+sod(n) for n = 1131252989 and 1131253007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131253037) 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, 307341 + ... + 310999.

It is an arithmetic number, because the mean of its divisors is an integer number (65221200).

Almost surely, 2^1131253030 is an apocalyptic number.

1131253030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131253030 is a deficient number, since it is larger than the sum of its proper divisors (955825370).

1131253030 is a wasteful number, since it uses less digits than its factorization.

1131253030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4428.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1131253030 is about 33634.1051612794. The cubic root of 1131253030 is about 1041.9652896436.

Adding to 1131253030 its reverse (303521311), we get a palindrome (1434774341).

The spelling of 1131253030 in words is "one billion, one hundred thirty-one million, two hundred fifty-three thousand, thirty".