2131100142 has 16 divisors (see below), whose sum is σ = 4288350720. Its totient is φ = 706008312.

The previous prime is 2131100141. The next prime is 2131100159. The reversal of 2131100142 is 2410011312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131100141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088542 + ... + 1090497.

It is an arithmetic number, because the mean of its divisors is an integer number (268021920).

Almost surely, 2^2131100142 is an apocalyptic number.

2131100142 is an abundant number, since it is smaller than the sum of its proper divisors (2157250578).

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

2131100142 is a wasteful number, since it uses less digits than its factorization.

2131100142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179207.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2131100142 is about 46163.8401998794. The cubic root of 2131100142 is about 1286.8698304506.

Adding to 2131100142 its reverse (2410011312), we get a palindrome (4541111454).

The spelling of 2131100142 in words is "two billion, one hundred thirty-one million, one hundred thousand, one hundred forty-two".