1230312029971 has 2 divisors, whose sum is σ = 1230312029972. Its totient is φ = 1230312029970.

The previous prime is 1230312029899. The next prime is 1230312030001. The reversal of 1230312029971 is 1799202130321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230312029971 - 2⁹ = 1230312029459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230312029071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615156014985 + 615156014986.

It is an arithmetic number, because the mean of its divisors is an integer number (615156014986).

Almost surely, 2^{1230312029971} is an apocalyptic number.

1230312029971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230312029971 is an equidigital number, since it uses as much as digits as its factorization.

1230312029971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 1230312029971 in words is "one trillion, two hundred thirty billion, three hundred twelve million, twenty-nine thousand, nine hundred seventy-one".