1023226531 has 2 divisors, whose sum is σ = 1023226532. Its totient is φ = 1023226530.

The previous prime is 1023226429. The next prime is 1023226543. The reversal of 1023226531 is 1356223201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023226531 - 2¹⁵ = 1023193763 is a prime.

It is a super-2 number, since 2×1023226531² = 2093985067484587922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023226496 and 1023226505.

It is not a weakly prime, because it can be changed into another prime (1023226571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511613265 + 511613266.

It is an arithmetic number, because the mean of its divisors is an integer number (511613266).

Almost surely, 2^1023226531 is an apocalyptic number.

1023226531 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023226531 is an equidigital number, since it uses as much as digits as its factorization.

1023226531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1023226531 is about 31987.9122638537. The cubic root of 1023226531 is about 1007.6829973795.

Adding to 1023226531 its reverse (1356223201), we get a palindrome (2379449732).

It can be divided in two parts, 10232 and 26531, that added together give a palindrome (36763).

The spelling of 1023226531 in words is "one billion, twenty-three million, two hundred twenty-six thousand, five hundred thirty-one".