1011230231 has 8 divisors (see below), whose sum is σ = 1103552400. Its totient is φ = 918973440.

The previous prime is 1011230221. The next prime is 1011230279. The reversal of 1011230231 is 1320321101.

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

It is not a de Polignac number, because 1011230231 - 2²² = 1007035927 is a prime.

It is a super-3 number, since 3×1011230231³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011230221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19415 + ... + 48983.

It is an arithmetic number, because the mean of its divisors is an integer number (137944050).

Almost surely, 2^1011230231 is an apocalyptic number.

1011230231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1011230231 is a deficient number, since it is larger than the sum of its proper divisors (92322169).

1011230231 is a wasteful number, since it uses less digits than its factorization.

1011230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32689.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1011230231 is about 31799.8463990001. The cubic root of 1011230231 is about 1003.7294839913.

Adding to 1011230231 its reverse (1320321101), we get a palindrome (2331551332).

The spelling of 1011230231 in words is "one billion, eleven million, two hundred thirty thousand, two hundred thirty-one".