1020023020231 has 2 divisors, whose sum is σ = 1020023020232. Its totient is φ = 1020023020230.

The previous prime is 1020023020229. The next prime is 1020023020267. The reversal of 1020023020231 is 1320203200201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020023020231 - 2¹ = 1020023020229 is a prime.

It is a super-2 number, since 2×1020023020231² (a number of 25 digits) contains 22 as substring.

Together with 1020023020229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020023050231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011510115 + 510011510116.

It is an arithmetic number, because the mean of its divisors is an integer number (510011510116).

Almost surely, 2^{1020023020231} is an apocalyptic number.

1020023020231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020023020231 is an equidigital number, since it uses as much as digits as its factorization.

1020023020231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020023020231 its reverse (1320203200201), we get a palindrome (2340226220432).

The spelling of 1020023020231 in words is "one trillion, twenty billion, twenty-three million, twenty thousand, two hundred thirty-one".