1020231347 has 2 divisors, whose sum is σ = 1020231348. Its totient is φ = 1020231346.

The previous prime is 1020231323. The next prime is 1020231361. The reversal of 1020231347 is 7431320201.

It is a strong prime.

It is an emirp because it is prime and its reverse (7431320201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1020231347 - 2²⁰ = 1019182771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020231307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510115673 + 510115674.

It is an arithmetic number, because the mean of its divisors is an integer number (510115674).

Almost surely, 2^1020231347 is an apocalyptic number.

1020231347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020231347 is an equidigital number, since it uses as much as digits as its factorization.

1020231347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 1020231347 is about 31941.0605177724. The cubic root of 1020231347 is about 1006.6988081025.

Adding to 1020231347 its reverse (7431320201), we get a palindrome (8451551548).

The spelling of 1020231347 in words is "one billion, twenty million, two hundred thirty-one thousand, three hundred forty-seven".