1031211023 has 2 divisors, whose sum is σ = 1031211024. Its totient is φ = 1031211022.

The previous prime is 1031211017. The next prime is 1031211037. The reversal of 1031211023 is 3201121301.

It is an a-pointer prime, because the next prime (1031211037) can be obtained adding 1031211023 to its sum of digits (14).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1031211023 - 2¹⁶ = 1031145487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031210989 and 1031211007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031217023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515605511 + 515605512.

It is an arithmetic number, because the mean of its divisors is an integer number (515605512).

Almost surely, 2^1031211023 is an apocalyptic number.

1031211023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031211023 is an equidigital number, since it uses as much as digits as its factorization.

1031211023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1031211023 is about 32112.4745698615. The cubic root of 1031211023 is about 1010.2972764770.

Adding to 1031211023 its reverse (3201121301), we get a palindrome (4232332324).

The spelling of 1031211023 in words is "one billion, thirty-one million, two hundred eleven thousand, twenty-three".