1020312213003 has 12 divisors (see below), whose sum is σ = 1477672925560. Its totient is φ = 678413395296.

The previous prime is 1020312212999. The next prime is 1020312213017. The reversal of 1020312213003 is 3003122130201.

1020312213003 is a `hidden beast` number, since 10 + 20 + 312 + 21 + 300 + 3 = 666.

It is not a de Polignac number, because 1020312213003 - 2² = 1020312212999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020312213023) 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, 149558626 + ... + 149565447.

Almost surely, 2^{1020312213003} is an apocalyptic number.

1020312213003 is a deficient number, since it is larger than the sum of its proper divisors (457360712557).

1020312213003 is a wasteful number, since it uses less digits than its factorization.

1020312213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299124458 (or 299124455 counting only the distinct ones).

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

Adding to 1020312213003 its reverse (3003122130201), we get a palindrome (4023434343204).

The spelling of 1020312213003 in words is "one trillion, twenty billion, three hundred twelve million, two hundred thirteen thousand, three".