131000002102 has 16 divisors (see below), whose sum is σ = 198267413760. Its totient is φ = 64911030912.

The previous prime is 131000002099. The next prime is 131000002117. The reversal of 131000002102 is 201200000131.

It is a super-2 number, since 2×131000002102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695403 + ... + 1770985.

It is an arithmetic number, because the mean of its divisors is an integer number (12391713360).

Almost surely, 2^131000002102 is an apocalyptic number.

131000002102 is a deficient number, since it is larger than the sum of its proper divisors (67267411658).

131000002102 is a wasteful number, since it uses less digits than its factorization.

131000002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83367.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 131000002102 its reverse (201200000131), we get a palindrome (332200002233).

The spelling of 131000002102 in words is "one hundred thirty-one billion, two thousand, one hundred two".