210131112003131 has 16 divisors (see below), whose sum is σ = 242718751991808. Its totient is φ = 179790983414400.

The previous prime is 210131112002957. The next prime is 210131112003139. The reversal of 210131112003131 is 131300211131012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210131112003131 is a prime.

It is a super-2 number, since 2×210131112003131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210131112003139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172386926 + ... + 173601596.

It is an arithmetic number, because the mean of its divisors is an integer number (15169921999488).

Almost surely, 2^{210131112003131} is an apocalyptic number.

210131112003131 is a deficient number, since it is larger than the sum of its proper divisors (32587639988677).

210131112003131 is a wasteful number, since it uses less digits than its factorization.

210131112003131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139802.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 210131112003131 its reverse (131300211131012), we get a palindrome (341431323134143).

The spelling of 210131112003131 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred twelve million, three thousand, one hundred thirty-one".