1030211131 has 4 divisors (see below), whose sum is σ = 1034632872. Its totient is φ = 1025789392.

The previous prime is 1030211123. The next prime is 1030211137. The reversal of 1030211131 is 1311120301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030211131 - 2³ = 1030211123 is a prime.

It is a super-2 number, since 2×1030211131² = 2122669948872598322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030211137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2210521 + ... + 2210986.

It is an arithmetic number, because the mean of its divisors is an integer number (258658218).

Almost surely, 2^1030211131 is an apocalyptic number.

1030211131 is a deficient number, since it is larger than the sum of its proper divisors (4421741).

1030211131 is an equidigital number, since it uses as much as digits as its factorization.

1030211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421740.

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

The square root of 1030211131 is about 32096.9022025491. The cubic root of 1030211131 is about 1009.9706330709.

Adding to 1030211131 its reverse (1311120301), we get a palindrome (2341331432).

The spelling of 1030211131 in words is "one billion, thirty million, two hundred eleven thousand, one hundred thirty-one".