1020231261363 has 16 divisors (see below), whose sum is σ = 1431940049280. Its totient is φ = 644340150144.

The previous prime is 1020231261349. The next prime is 1020231261389. The reversal of 1020231261363 is 3631621320201.

It is not a de Polignac number, because 1020231261363 - 2⁴ = 1020231261347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020231261363.

It is not an unprimeable number, because it can be changed into a prime (1020231266363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262220 + ... + 2675462.

It is an arithmetic number, because the mean of its divisors is an integer number (89496253080).

Almost surely, 2^{1020231261363} is an apocalyptic number.

1020231261363 is a deficient number, since it is larger than the sum of its proper divisors (411708787917).

1020231261363 is a wasteful number, since it uses less digits than its factorization.

1020231261363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456578.

The product of its (nonzero) digits is 7776, while the sum is 30.

Adding to 1020231261363 its reverse (3631621320201), we get a palindrome (4651852581564).

The spelling of 1020231261363 in words is "one trillion, twenty billion, two hundred thirty-one million, two hundred sixty-one thousand, three hundred sixty-three".