948231331 has 2 divisors, whose sum is σ = 948231332. Its totient is φ = 948231330.

The previous prime is 948231289. The next prime is 948231337. The reversal of 948231331 is 133132849.

It is a strong prime.

It is an emirp because it is prime and its reverse (133132849) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 948231331 - 2⁷ = 948231203 is a prime.

It is a super-2 number, since 2×948231331² = 1798285314180063122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (948231337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474115665 + 474115666.

It is an arithmetic number, because the mean of its divisors is an integer number (474115666).

Almost surely, 2^948231331 is an apocalyptic number.

948231331 is a deficient number, since it is larger than the sum of its proper divisors (1).

948231331 is an equidigital number, since it uses as much as digits as its factorization.

948231331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 948231331 is about 30793.3650483347. The cubic root of 948231331 is about 982.4371283204.

The spelling of 948231331 in words is "nine hundred forty-eight million, two hundred thirty-one thousand, three hundred thirty-one".