2131332011929 has 2 divisors, whose sum is σ = 2131332011930. Its totient is φ = 2131332011928.

The previous prime is 2131332011873. The next prime is 2131332012001. The reversal of 2131332011929 is 9291102331312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1438375658329 + 692956353600 = 1199323^2 + 832440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131332011929 - 2⁷ = 2131332011801 is a prime.

It is a super-2 number, since 2×2131332011929² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2131332015929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065666005964 + 1065666005965.

It is an arithmetic number, because the mean of its divisors is an integer number (1065666005965).

Almost surely, 2^{2131332011929} is an apocalyptic number.

It is an amenable number.

2131332011929 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131332011929 is an equidigital number, since it uses as much as digits as its factorization.

2131332011929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 2131332011929 in words is "two trillion, one hundred thirty-one billion, three hundred thirty-two million, eleven thousand, nine hundred twenty-nine".