231212031032947 has 2 divisors, whose sum is σ = 231212031032948. Its totient is φ = 231212031032946.

The previous prime is 231212031032881. The next prime is 231212031032963. The reversal of 231212031032947 is 749230130212132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231212031032947 - 2⁴⁷ = 90474542677619 is a prime.

It is not a weakly prime, because it can be changed into another prime (231212031092947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115606015516473 + 115606015516474.

It is an arithmetic number, because the mean of its divisors is an integer number (115606015516474).

Almost surely, 2^{231212031032947} is an apocalyptic number.

231212031032947 is a deficient number, since it is larger than the sum of its proper divisors (1).

231212031032947 is an equidigital number, since it uses as much as digits as its factorization.

231212031032947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 231212031032947 in words is "two hundred thirty-one trillion, two hundred twelve billion, thirty-one million, thirty-two thousand, nine hundred forty-seven".