1131020322 has 16 divisors (see below), whose sum is σ = 2263647360. Its totient is φ = 376738992.

The previous prime is 1131020243. The next prime is 1131020339. The reversal of 1131020322 is 2230201311.

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, 57697 + ... + 74772.

It is an arithmetic number, because the mean of its divisors is an integer number (141477960).

Almost surely, 2^1131020322 is an apocalyptic number.

1131020322 is an abundant number, since it is smaller than the sum of its proper divisors (1132627038).

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

1131020322 is a wasteful number, since it uses less digits than its factorization.

1131020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133897.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1131020322 is about 33630.6455781033. The cubic root of 1131020322 is about 1041.8938378168.

Adding to 1131020322 its reverse (2230201311), we get a palindrome (3361221633).

The spelling of 1131020322 in words is "one billion, one hundred thirty-one million, twenty thousand, three hundred twenty-two".