1301323131100 has 36 divisors (see below), whose sum is σ = 2866018540504. Its totient is φ = 512760156480.

The previous prime is 1301323131091. The next prime is 1301323131107. The reversal of 1301323131100 is 11313231031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301323131107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97106967 + ... + 97120366.

Almost surely, 2^{1301323131100} is an apocalyptic number.

1301323131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301323131100 is an abundant number, since it is smaller than the sum of its proper divisors (1564695409404).

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

1301323131100 is a wasteful number, since it uses less digits than its factorization.

1301323131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194227414 (or 194227407 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1301323131100 its reverse (11313231031), we get a palindrome (1312636362131).

The spelling of 1301323131100 in words is "one trillion, three hundred one billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred".