1023132331 has 16 divisors (see below), whose sum is σ = 1129734144. Its totient is φ = 920676384.

The previous prime is 1023132293. The next prime is 1023132353. The reversal of 1023132331 is 1332313201.

It is a cyclic number.

It is not a de Polignac number, because 1023132331 - 2⁷ = 1023132203 is a prime.

It is a super-2 number, since 2×1023132331² = 2093599533474987122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023132299 and 1023132308.

It is not an unprimeable number, because it can be changed into a prime (1023132371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157510 + ... + 163876.

It is an arithmetic number, because the mean of its divisors is an integer number (70608384).

Almost surely, 2^1023132331 is an apocalyptic number.

1023132331 is a deficient number, since it is larger than the sum of its proper divisors (106601813).

1023132331 is a wasteful number, since it uses less digits than its factorization.

1023132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1023132331 is about 31986.4397987647. The cubic root of 1023132331 is about 1007.6520734186.

Adding to 1023132331 its reverse (1332313201), we get a palindrome (2355445532).

The spelling of 1023132331 in words is "one billion, twenty-three million, one hundred thirty-two thousand, three hundred thirty-one".