1020344231 has 2 divisors, whose sum is σ = 1020344232. Its totient is φ = 1020344230.

The previous prime is 1020344209. The next prime is 1020344257. The reversal of 1020344231 is 1324430201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020344231 - 2⁶ = 1020344167 is a prime.

It is a super-2 number, since 2×1020344231² = 2082204699469962722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020344201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510172115 + 510172116.

It is an arithmetic number, because the mean of its divisors is an integer number (510172116).

Almost surely, 2^1020344231 is an apocalyptic number.

1020344231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020344231 is an equidigital number, since it uses as much as digits as its factorization.

1020344231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1020344231 is about 31942.8275360839. The cubic root of 1020344231 is about 1006.7359356284.

Adding to 1020344231 its reverse (1324430201), we get a palindrome (2344774432).

The spelling of 1020344231 in words is "one billion, twenty million, three hundred forty-four thousand, two hundred thirty-one".