1990003202131 has 8 divisors (see below), whose sum is σ = 2278847072000. Its totient is φ = 1702298756808.

The previous prime is 1990003202107. The next prime is 1990003202153. The reversal of 1990003202131 is 1312023000991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1990003202131 is a prime.

It is a super-2 number, since 2×1990003202131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1990003202093 and 1990003202102.

It is not an unprimeable number, because it can be changed into a prime (1990003202171) 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 7 ways as a sum of consecutive naturals, for example, 284852391 + ... + 284859376.

It is an arithmetic number, because the mean of its divisors is an integer number (284855884000).

Almost surely, 2^{1990003202131} is an apocalyptic number.

1990003202131 is a deficient number, since it is larger than the sum of its proper divisors (288843869869).

1990003202131 is an equidigital number, since it uses as much as digits as its factorization.

1990003202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569712273.

The product of its (nonzero) digits is 2916, while the sum is 31.

The spelling of 1990003202131 in words is "one trillion, nine hundred ninety billion, three million, two hundred two thousand, one hundred thirty-one".