1011031030231 has 32 divisors (see below), whose sum is σ = 1118946244608. Its totient is φ = 909326545920.

The previous prime is 1011031030213. The next prime is 1011031030237. The reversal of 1011031030231 is 1320301301101.

It is a cyclic number.

It is not a de Polignac number, because 1011031030231 - 2⁵ = 1011031030199 is a prime.

It is a super-2 number, since 2×1011031030231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011031030237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17621116 + ... + 17678398.

It is an arithmetic number, because the mean of its divisors is an integer number (34967070144).

Almost surely, 2^{1011031030231} is an apocalyptic number.

1011031030231 is a deficient number, since it is larger than the sum of its proper divisors (107915214377).

1011031030231 is a wasteful number, since it uses less digits than its factorization.

1011031030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57751.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1011031030231 its reverse (1320301301101), we get a palindrome (2331332331332).

The spelling of 1011031030231 in words is "one trillion, eleven billion, thirty-one million, thirty thousand, two hundred thirty-one".