1020231002113 has 4 divisors (see below), whose sum is σ = 1020233792448. Its totient is φ = 1020228211780.

The previous prime is 1020231002101. The next prime is 1020231002149. The reversal of 1020231002113 is 3112001320201.

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 1020231002113 - 2⁵ = 1020231002081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020231008113) 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, 746053 + ... + 1611538.

It is an arithmetic number, because the mean of its divisors is an integer number (255058448112).

Almost surely, 2^{1020231002113} is an apocalyptic number.

It is an amenable number.

1020231002113 is a deficient number, since it is larger than the sum of its proper divisors (2790335).

1020231002113 is an equidigital number, since it uses as much as digits as its factorization.

1020231002113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790334.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1020231002113 its reverse (3112001320201), we get a palindrome (4132232322314).

The spelling of 1020231002113 in words is "one trillion, twenty billion, two hundred thirty-one million, two thousand, one hundred thirteen".