1020131402223 has 16 divisors (see below), whose sum is σ = 1397001846240. Its totient is φ = 661675994496.

The previous prime is 1020131402219. The next prime is 1020131402239. The reversal of 1020131402223 is 3222041310201.

It is not a de Polignac number, because 1020131402223 - 2² = 1020131402219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1020131402223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020131402293) 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, 2309713 + ... + 2715701.

It is an arithmetic number, because the mean of its divisors is an integer number (87312615390).

Almost surely, 2^{1020131402223} is an apocalyptic number.

1020131402223 is a deficient number, since it is larger than the sum of its proper divisors (376870444017).

1020131402223 is a wasteful number, since it uses less digits than its factorization.

1020131402223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428666.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1020131402223 its reverse (3222041310201), we get a palindrome (4242172712424).

The spelling of 1020131402223 in words is "one trillion, twenty billion, one hundred thirty-one million, four hundred two thousand, two hundred twenty-three".