1012203131971 has 2 divisors, whose sum is σ = 1012203131972. Its totient is φ = 1012203131970.

The previous prime is 1012203131963. The next prime is 1012203132001. The reversal of 1012203131971 is 1791313022101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012203131971 - 2³ = 1012203131963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012203161971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506101565985 + 506101565986.

It is an arithmetic number, because the mean of its divisors is an integer number (506101565986).

Almost surely, 2^{1012203131971} is an apocalyptic number.

1012203131971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012203131971 is an equidigital number, since it uses as much as digits as its factorization.

1012203131971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 31.

The spelling of 1012203131971 in words is "one trillion, twelve billion, two hundred three million, one hundred thirty-one thousand, nine hundred seventy-one".