1030231001021 has 4 divisors (see below), whose sum is σ = 1030353379200. Its totient is φ = 1030108622844.

The previous prime is 1030231001003. The next prime is 1030231001029. The reversal of 1030231001021 is 1201001320301.

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.

It is a cyclic number.

It is not a de Polignac number, because 1030231001021 - 2³⁰ = 1029157259197 is a prime.

It is a super-2 number, since 2×1030231001021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030231000987 and 1030231001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030231001029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61176461 + ... + 61193298.

It is an arithmetic number, because the mean of its divisors is an integer number (257588344800).

Almost surely, 2^{1030231001021} is an apocalyptic number.

It is an amenable number.

1030231001021 is a deficient number, since it is larger than the sum of its proper divisors (122378179).

1030231001021 is an equidigital number, since it uses as much as digits as its factorization.

1030231001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122378178.

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

Adding to 1030231001021 its reverse (1201001320301), we get a palindrome (2231232321322).

The spelling of 1030231001021 in words is "one trillion, thirty billion, two hundred thirty-one million, one thousand, twenty-one".