1031023397 has 2 divisors, whose sum is σ = 1031023398. Its totient is φ = 1031023396.

The previous prime is 1031023373. The next prime is 1031023417. The reversal of 1031023397 is 7933201301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692426596 + 338596801 = 26314^2 + 18401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1031023397 - 2²⁶ = 963914533 is a prime.

It is a super-2 number, since 2×1031023397² = 2126018490322839218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031023307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515511698 + 515511699.

It is an arithmetic number, because the mean of its divisors is an integer number (515511699).

Almost surely, 2^1031023397 is an apocalyptic number.

It is an amenable number.

1031023397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031023397 is an equidigital number, since it uses as much as digits as its factorization.

1031023397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1031023397 is about 32109.5530488981. The cubic root of 1031023397 is about 1010.2359991599.

Adding to 1031023397 its reverse (7933201301), we get a palindrome (8964224698).

The spelling of 1031023397 in words is "one billion, thirty-one million, twenty-three thousand, three hundred ninety-seven".