2131020013333 has 2 divisors, whose sum is σ = 2131020013334. Its totient is φ = 2131020013332.

The previous prime is 2131020013279. The next prime is 2131020013363. The reversal of 2131020013333 is 3333100201312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1643506052049 + 487513961284 = 1281993^2 + 698222^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131020013333 - 2²⁵ = 2130986458901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131020013363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065510006666 + 1065510006667.

It is an arithmetic number, because the mean of its divisors is an integer number (1065510006667).

Almost surely, 2^{2131020013333} is an apocalyptic number.

It is an amenable number.

2131020013333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131020013333 is an equidigital number, since it uses as much as digits as its factorization.

2131020013333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 2131020013333 its reverse (3333100201312), we get a palindrome (5464120214645).

The spelling of 2131020013333 in words is "two trillion, one hundred thirty-one billion, twenty million, thirteen thousand, three hundred thirty-three".