1031212323 has 16 divisors (see below), whose sum is σ = 1542852000. Its totient is φ = 680666400.

The previous prime is 1031212319. The next prime is 1031212331. The reversal of 1031212323 is 3232121301.

It is not a de Polignac number, because 1031212323 - 2² = 1031212319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031212296 and 1031212305.

It is not an unprimeable number, because it can be changed into a prime (1031212313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186348 + ... + 191801.

It is an arithmetic number, because the mean of its divisors is an integer number (96428250).

Almost surely, 2^1031212323 is an apocalyptic number.

1031212323 is a deficient number, since it is larger than the sum of its proper divisors (511639677).

1031212323 is a wasteful number, since it uses less digits than its factorization.

1031212323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378259 (or 378253 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1031212323 is about 32112.4948112102. The cubic root of 1031212323 is about 1010.2977010218.

Adding to 1031212323 its reverse (3232121301), we get a palindrome (4263333624).

The spelling of 1031212323 in words is "one billion, thirty-one million, two hundred twelve thousand, three hundred twenty-three".