1316023100 has 72 divisors (see below), whose sum is σ = 3303205248. Its totient is φ = 445752000.

The previous prime is 1316023097. The next prime is 1316023109. The reversal of 1316023100 is 13206131.

It is a super-2 number, since 2×1316023100² = 3463833599467220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316023109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46775 + ... + 69425.

Almost surely, 2^1316023100 is an apocalyptic number.

1316023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316023100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651602624).

1316023100 is an abundant number, since it is smaller than the sum of its proper divisors (1987182148).

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

1316023100 is a wasteful number, since it uses less digits than its factorization.

1316023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22755 (or 22748 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1316023100 is about 36277.0326790933. The cubic root of 1316023100 is about 1095.8585595000.

Adding to 1316023100 its reverse (13206131), we get a palindrome (1329229231).

The spelling of 1316023100 in words is "one billion, three hundred sixteen million, twenty-three thousand, one hundred".