1000131223300 has 54 divisors (see below), whose sum is σ = 2385519635114. Its totient is φ = 363684076800.

The previous prime is 1000131223271. The next prime is 1000131223307. The reversal of 1000131223300 is 33221310001.

It can be written as a sum of positive squares in 3 ways, for example, as 104715665604 + 895415557696 = 323598^2 + 946264^2 .

It is not an unprimeable number, because it can be changed into a prime (1000131223307) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41315637 + ... + 41339836.

Almost surely, 2^{1000131223300} is an apocalyptic number.

1000131223300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000131223300 is an abundant number, since it is smaller than the sum of its proper divisors (1385388411814).

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

1000131223300 is a wasteful number, since it uses less digits than its factorization.

1000131223300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82655509 (or 82655491 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 1000131223300 its reverse (33221310001), we get a palindrome (1033352533301).

The spelling of 1000131223300 in words is "one trillion, one hundred thirty-one million, two hundred twenty-three thousand, three hundred".