1023132631 has 2 divisors, whose sum is σ = 1023132632. Its totient is φ = 1023132630.

The previous prime is 1023132619. The next prime is 1023132637. The reversal of 1023132631 is 1362313201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023132631 - 2⁷ = 1023132503 is a prime.

It is a super-2 number, since 2×1023132631² = 2093600761233964322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023132637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511566315 + 511566316.

It is an arithmetic number, because the mean of its divisors is an integer number (511566316).

Almost surely, 2^1023132631 is an apocalyptic number.

1023132631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023132631 is an equidigital number, since it uses as much as digits as its factorization.

1023132631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1023132631 is about 31986.4444882516. Note that the first 4 decimals coincide. The cubic root of 1023132631 is about 1007.6521719056.

Adding to 1023132631 its reverse (1362313201), we get a palindrome (2385445832).

The spelling of 1023132631 in words is "one billion, twenty-three million, one hundred thirty-two thousand, six hundred thirty-one".