2131133103829 has 2 divisors, whose sum is σ = 2131133103830. Its totient is φ = 2131133103828.

The previous prime is 2131133103817. The next prime is 2131133103947. The reversal of 2131133103829 is 9283013311312.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1342349325604 + 788783778225 = 1158598^2 + 888135^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131133103829 - 2⁹ = 2131133103317 is a prime.

It is a super-2 number, since 2×2131133103829² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131133103809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065566551914 + 1065566551915.

It is an arithmetic number, because the mean of its divisors is an integer number (1065566551915).

Almost surely, 2^{2131133103829} is an apocalyptic number.

It is an amenable number.

2131133103829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131133103829 is an equidigital number, since it uses as much as digits as its factorization.

2131133103829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 2131133103829 in words is "two trillion, one hundred thirty-one billion, one hundred thirty-three million, one hundred three thousand, eight hundred twenty-nine".