1302213131100 has 108 divisors (see below), whose sum is σ = 4664816838864. Its totient is φ = 297648714240.

The previous prime is 1302213131033. The next prime is 1302213131101. The reversal of 1302213131100 is 11313122031.

1302213131100 is a `hidden beast` number, since 1 + 30 + 221 + 313 + 1 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302213131101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 103343949 + ... + 103356548.

It is an arithmetic number, because the mean of its divisors is an integer number (43192748508).

Almost surely, 2^{1302213131100} is an apocalyptic number.

1302213131100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302213131100 is an abundant number, since it is smaller than the sum of its proper divisors (3362603707764).

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

1302213131100 is a wasteful number, since it uses less digits than its factorization.

1302213131100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206700524 (or 206700514 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1302213131100 its reverse (11313122031), we get a palindrome (1313526253131).

The spelling of 1302213131100 in words is "one trillion, three hundred two billion, two hundred thirteen million, one hundred thirty-one thousand, one hundred".