131000030310021 has 16 divisors (see below), whose sum is σ = 174779512910400. Its totient is φ = 87276952015488.

The previous prime is 131000030310001. The next prime is 131000030310041. The reversal of 131000030310021 is 120013030000131.

It is an interprime number because it is at equal distance from previous prime (131000030310001) and next prime (131000030310041).

It is a de Polignac number, because none of the positive numbers 2^k-131000030310021 is a prime.

It is a super-2 number, since 2×131000030310021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000030310001) 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 15 ways as a sum of consecutive naturals, for example, 592947745 + ... + 593168633.

It is an arithmetic number, because the mean of its divisors is an integer number (10923719556900).

Almost surely, 2^{131000030310021} is an apocalyptic number.

It is an amenable number.

131000030310021 is a deficient number, since it is larger than the sum of its proper divisors (43779482600379).

131000030310021 is a wasteful number, since it uses less digits than its factorization.

131000030310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347668.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 131000030310021 its reverse (120013030000131), we get a palindrome (251013060310152).

The spelling of 131000030310021 in words is "one hundred thirty-one trillion, thirty million, three hundred ten thousand, twenty-one".