1131321010 has 16 divisors (see below), whose sum is σ = 2124916416. Its totient is φ = 432853168.

The previous prime is 1131320989. The next prime is 1131321017. The reversal of 1131321010 is 101231311.

It is not an unprimeable number, because it can be changed into a prime (1131321017) 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, 2459164 + ... + 2459623.

It is an arithmetic number, because the mean of its divisors is an integer number (132807276).

Almost surely, 2^1131321010 is an apocalyptic number.

1131321010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131321010 is a deficient number, since it is larger than the sum of its proper divisors (993595406).

1131321010 is a wasteful number, since it uses less digits than its factorization.

1131321010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918817.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1131321010 is about 33635.1157274655. The cubic root of 1131321010 is about 1041.9861607130.

Adding to 1131321010 its reverse (101231311), we get a palindrome (1232552321).

It can be divided in two parts, 11313 and 21010, that added together give a palindrome (32323).

The spelling of 1131321010 in words is "one billion, one hundred thirty-one million, three hundred twenty-one thousand, ten".