1131152430 has 16 divisors (see below), whose sum is σ = 2714765904. Its totient is φ = 301640640.

The previous prime is 1131152401. The next prime is 1131152437. The reversal of 1131152430 is 342511311.

It is a junction number, because it is equal to n+sod(n) for n = 1131152397 and 1131152406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131152437) 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, 18852511 + ... + 18852570.

It is an arithmetic number, because the mean of its divisors is an integer number (169672869).

Almost surely, 2^1131152430 is an apocalyptic number.

1131152430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131152430 is an abundant number, since it is smaller than the sum of its proper divisors (1583613474).

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

1131152430 is a wasteful number, since it uses less digits than its factorization.

1131152430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37705091.

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

The square root of 1131152430 is about 33632.6096222104. The cubic root of 1131152430 is about 1041.9344021196.

Adding to 1131152430 its reverse (342511311), we get a palindrome (1473663741).

The spelling of 1131152430 in words is "one billion, one hundred thirty-one million, one hundred fifty-two thousand, four hundred thirty".