1020131202303 has 12 divisors (see below), whose sum is σ = 1473542884528. Its totient is φ = 680078220480.

The previous prime is 1020131202257. The next prime is 1020131202329. The reversal of 1020131202303 is 3032021310201.

1020131202303 is a `hidden beast` number, since 10 + 20 + 131 + 202 + 303 = 666.

It is not a de Polignac number, because 1020131202303 - 2¹⁷ = 1020131071231 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 (1020131202373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35050 + ... + 1428807.

Almost surely, 2^{1020131202303} is an apocalyptic number.

1020131202303 is a deficient number, since it is larger than the sum of its proper divisors (453411682225).

1020131202303 is a wasteful number, since it uses less digits than its factorization.

1020131202303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541294 (or 1541291 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020131202303 its reverse (3032021310201), we get a palindrome (4052152512504).

The spelling of 1020131202303 in words is "one trillion, twenty billion, one hundred thirty-one million, two hundred two thousand, three hundred three".