1023203131 has 2 divisors, whose sum is σ = 1023203132. Its totient is φ = 1023203130.

The previous prime is 1023203099. The next prime is 1023203147. The reversal of 1023203131 is 1313023201.

It is an a-pointer prime, because the next prime (1023203147) can be obtained adding 1023203131 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023203131 - 2⁵ = 1023203099 is a prime.

It is a super-2 number, since 2×1023203131² = 2093889294576406322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023203161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511601565 + 511601566.

It is an arithmetic number, because the mean of its divisors is an integer number (511601566).

Almost surely, 2^1023203131 is an apocalyptic number.

1023203131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023203131 is an equidigital number, since it uses as much as digits as its factorization.

1023203131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1023203131 is about 31987.5464985985. The cubic root of 1023203131 is about 1007.6753158084.

Adding to 1023203131 its reverse (1313023201), we get a palindrome (2336226332).

The spelling of 1023203131 in words is "one billion, twenty-three million, two hundred three thousand, one hundred thirty-one".