1031130101 has 4 divisors (see below), whose sum is σ = 1031234400. Its totient is φ = 1031025804.

The previous prime is 1031130077. The next prime is 1031130127. The reversal of 1031130101 is 1010311301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031130101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031130131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35561 + ... + 57678.

It is an arithmetic number, because the mean of its divisors is an integer number (257808600).

Almost surely, 2^1031130101 is an apocalyptic number.

It is an amenable number.

1031130101 is a deficient number, since it is larger than the sum of its proper divisors (104299).

1031130101 is an equidigital number, since it uses as much as digits as its factorization.

1031130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104298.

The product of its (nonzero) digits is 9, while the sum is 11.

The square root of 1031130101 is about 32111.2145674996. The cubic root of 1031130101 is about 1010.2708488390.

Adding to 1031130101 its reverse (1010311301), we get a palindrome (2041441402).

The spelling of 1031130101 in words is "one billion, thirty-one million, one hundred thirty thousand, one hundred one".