1131213130 has 32 divisors (see below), whose sum is σ = 2072770560. Its totient is φ = 444427200.

The previous prime is 1131213101. The next prime is 1131213137. The reversal of 1131213130 is 313121311.

It is not an unprimeable number, because it can be changed into a prime (1131213137) 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, 123861 + ... + 132679.

It is an arithmetic number, because the mean of its divisors is an integer number (64774080).

Almost surely, 2^1131213130 is an apocalyptic number.

1131213130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131213130 is a deficient number, since it is larger than the sum of its proper divisors (941557430).

1131213130 is a wasteful number, since it uses less digits than its factorization.

1131213130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1131213130 is about 33633.5120081148. The cubic root of 1131213130 is about 1041.9530392443.

Adding to 1131213130 its reverse (313121311), we get a palindrome (1444334441).

It can be divided in two parts, 11312 and 13130, that added together give a palindrome (24442).

The spelling of 1131213130 in words is "one billion, one hundred thirty-one million, two hundred thirteen thousand, one hundred thirty".