1023201131 has 2 divisors, whose sum is σ = 1023201132. Its totient is φ = 1023201130.

The previous prime is 1023201121. The next prime is 1023201133. The reversal of 1023201131 is 1311023201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023201131 is a prime.

It is a super-2 number, since 2×1023201131² = 2093881108959358322, which contains 22 as substring.

Together with 1023201133, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1023201133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511600565 + 511600566.

It is an arithmetic number, because the mean of its divisors is an integer number (511600566).

Almost surely, 2^1023201131 is an apocalyptic number.

1023201131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023201131 is an equidigital number, since it uses as much as digits as its factorization.

1023201131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1023201131 is about 31987.5152364168. The cubic root of 1023201131 is about 1007.6746592584.

Adding to 1023201131 its reverse (1311023201), we get a palindrome (2334224332).

The spelling of 1023201131 in words is "one billion, twenty-three million, two hundred one thousand, one hundred thirty-one".