1020131193 has 8 divisors (see below), whose sum is σ = 1389115008. Its totient is φ = 665617424.

The previous prime is 1020131051. The next prime is 1020131251. The reversal of 1020131193 is 3911310201.

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 1020131193 - 2⁹ = 1020130681 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1020131293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617346 + ... + 3617627.

It is an arithmetic number, because the mean of its divisors is an integer number (173639376).

Almost surely, 2^1020131193 is an apocalyptic number.

It is an amenable number.

1020131193 is a deficient number, since it is larger than the sum of its proper divisors (368983815).

1020131193 is an equidigital number, since it uses as much as digits as its factorization.

1020131193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7235023.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1020131193 is about 31939.4926853887. The cubic root of 1020131193 is about 1006.6658651783.

Adding to 1020131193 its reverse (3911310201), we get a palindrome (4931441394).

The spelling of 1020131193 in words is "one billion, twenty million, one hundred thirty-one thousand, one hundred ninety-three".