1011202231 has 8 divisors (see below), whose sum is σ = 1097301744. Its totient is φ = 926290560.

The previous prime is 1011202219. The next prime is 1011202243. The reversal of 1011202231 is 1322021101.

It is an interprime number because it is at equal distance from previous prime (1011202219) and next prime (1011202243).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011202231 - 2⁷ = 1011202103 is a prime.

It is a super-2 number, since 2×1011202231² = 2045059903958754722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011202631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295186 + ... + 298591.

It is an arithmetic number, because the mean of its divisors is an integer number (137162718).

Almost surely, 2^1011202231 is an apocalyptic number.

1011202231 is a deficient number, since it is larger than the sum of its proper divisors (86099513).

1011202231 is a wasteful number, since it uses less digits than its factorization.

1011202231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593921.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1011202231 is about 31799.4061422537. The cubic root of 1011202231 is about 1003.7202198020.

Adding to 1011202231 its reverse (1322021101), we get a palindrome (2333223332).

The spelling of 1011202231 in words is "one billion, eleven million, two hundred two thousand, two hundred thirty-one".