3105072142700 has 72 divisors (see below), whose sum is σ = 7352257967040. Its totient is φ = 1128855182400.

The previous prime is 3105072142699. The next prime is 3105072142703. The reversal of 3105072142700 is 72412705013.

It is a super-2 number, since 2×3105072142700² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3105072142703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4447619 + ... + 5098181.

Almost surely, 2^{3105072142700} is an apocalyptic number.

It is an amenable number.

3105072142700 is an abundant number, since it is smaller than the sum of its proper divisors (4247185824340).

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

3105072142700 is a wasteful number, since it uses less digits than its factorization.

3105072142700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654927 (or 654920 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 3105072142700 its reverse (72412705013), we get a palindrome (3177484847713).

The spelling of 3105072142700 in words is "three trillion, one hundred five billion, seventy-two million, one hundred forty-two thousand, seven hundred".