1023231211 has 8 divisors (see below), whose sum is σ = 1031756544. Its totient is φ = 1014734760.

The previous prime is 1023231203. The next prime is 1023231227. The reversal of 1023231211 is 1121323201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023231211 - 2³ = 1023231203 is a prime.

It is a super-2 number, since 2×1023231211² = 2094004222329053042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023231281) 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 7 ways as a sum of consecutive naturals, for example, 67066 + ... + 80896.

It is an arithmetic number, because the mean of its divisors is an integer number (128969568).

Almost surely, 2^1023231211 is an apocalyptic number.

1023231211 is a deficient number, since it is larger than the sum of its proper divisors (8525333).

1023231211 is a wasteful number, since it uses less digits than its factorization.

1023231211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14441.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1023231211 is about 31987.9854164028. The cubic root of 1023231211 is about 1007.6845336796.

Adding to 1023231211 its reverse (1121323201), we get a palindrome (2144554412).

It can be divided in two parts, 102323 and 1211, that multiplied together give a triangular number (123913153 = T₁₅₇₄₂).

The spelling of 1023231211 in words is "one billion, twenty-three million, two hundred thirty-one thousand, two hundred eleven".