131020202010004 has 24 divisors (see below), whose sum is σ = 232883010299520. Its totient is φ = 64488684254016.

The previous prime is 131020202009989. The next prime is 131020202010037. The reversal of 131020202010004 is 400010202020131.

It is a self number, because there is not a number n which added to its sum of digits gives 131020202010004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 810567372 + ... + 810728995.

It is an arithmetic number, because the mean of its divisors is an integer number (9703458762480).

Almost surely, 2^{131020202010004} is an apocalyptic number.

It is an amenable number.

131020202010004 is a deficient number, since it is larger than the sum of its proper divisors (101862808289516).

131020202010004 is a wasteful number, since it uses less digits than its factorization.

131020202010004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621296687 (or 1621296685 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 131020202010004 its reverse (400010202020131), we get a palindrome (531030404030135).

The spelling of 131020202010004 in words is "one hundred thirty-one trillion, twenty billion, two hundred two million, ten thousand, four".