1031131201 has 4 divisors (see below), whose sum is σ = 1031501872. Its totient is φ = 1030760532.

The previous prime is 1031131183. The next prime is 1031131267. The reversal of 1031131201 is 1021311301.

1031131201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 1031131201 - 2¹¹ = 1031129153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031131301) 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, 181131 + ... + 186736.

It is an arithmetic number, because the mean of its divisors is an integer number (257875468).

Almost surely, 2^1031131201 is an apocalyptic number.

It is an amenable number.

1031131201 is a deficient number, since it is larger than the sum of its proper divisors (370671).

1031131201 is an equidigital number, since it uses as much as digits as its factorization.

1031131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370670.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1031131201 is about 32111.2316954676. The cubic root of 1031131201 is about 1010.2712080881.

Adding to 1031131201 its reverse (1021311301), we get a palindrome (2052442502).

The spelling of 1031131201 in words is "one billion, thirty-one million, one hundred thirty-one thousand, two hundred one".