1031230133 has 4 divisors (see below), whose sum is σ = 1031490240. Its totient is φ = 1030970028.

The previous prime is 1031230103. The next prime is 1031230147. The reversal of 1031230133 is 3310321301.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3310321301 = 7 ⋅472903043.

It is a cyclic number.

It is not a de Polignac number, because 1031230133 - 2⁶ = 1031230069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031230103) 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, 124013 + ... + 132066.

It is an arithmetic number, because the mean of its divisors is an integer number (257872560).

Almost surely, 2^1031230133 is an apocalyptic number.

It is an amenable number.

1031230133 is a deficient number, since it is larger than the sum of its proper divisors (260107).

1031230133 is an equidigital number, since it uses as much as digits as its factorization.

1031230133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260106.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1031230133 is about 32112.7721164025. The cubic root of 1031230133 is about 1010.3035172500.

Adding to 1031230133 its reverse (3310321301), we get a palindrome (4341551434).

The spelling of 1031230133 in words is "one billion, thirty-one million, two hundred thirty thousand, one hundred thirty-three".