1131479030 has 32 divisors (see below), whose sum is σ = 2352512160. Its totient is φ = 387243520.

The previous prime is 1131479029. The next prime is 1131479059. The reversal of 1131479030 is 309741311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1131478984 and 1131479002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300665 + ... + 304404.

It is an arithmetic number, because the mean of its divisors is an integer number (73516005).

Almost surely, 2^1131479030 is an apocalyptic number.

1131479030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131479030 is an abundant number, since it is smaller than the sum of its proper divisors (1221033130).

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

1131479030 is a wasteful number, since it uses less digits than its factorization.

1131479030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605104.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 1131479030 is about 33637.4646785396. The cubic root of 1131479030 is about 1042.0346724340.

The spelling of 1131479030 in words is "one billion, one hundred thirty-one million, four hundred seventy-nine thousand, thirty".