1011301231 has 2 divisors, whose sum is σ = 1011301232. Its totient is φ = 1011301230.

The previous prime is 1011301217. The next prime is 1011301243. The reversal of 1011301231 is 1321031101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011301231 - 2⁷ = 1011301103 is a prime.

It is a super-2 number, since 2×1011301231² = 2045460359644230722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011301211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505650615 + 505650616.

It is an arithmetic number, because the mean of its divisors is an integer number (505650616).

Almost surely, 2^1011301231 is an apocalyptic number.

1011301231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011301231 is an equidigital number, since it uses as much as digits as its factorization.

1011301231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1011301231 is about 31800.9627369990. The cubic root of 1011301231 is about 1003.7529745619.

Adding to 1011301231 its reverse (1321031101), we get a palindrome (2332332332).

The spelling of 1011301231 in words is "one billion, eleven million, three hundred one thousand, two hundred thirty-one".