1131020213203 has 8 divisors (see below), whose sum is σ = 1173832062480. Its totient is φ = 1088462440800.

The previous prime is 1131020213201. The next prime is 1131020213249. The reversal of 1131020213203 is 3023120201311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131020213203 - 2¹ = 1131020213201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131020213201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63510148 + ... + 63527953.

It is an arithmetic number, because the mean of its divisors is an integer number (146729007810).

Almost surely, 2^{1131020213203} is an apocalyptic number.

1131020213203 is a deficient number, since it is larger than the sum of its proper divisors (42811849277).

1131020213203 is a wasteful number, since it uses less digits than its factorization.

1131020213203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127038437.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131020213203 its reverse (3023120201311), we get a palindrome (4154140414514).

The spelling of 1131020213203 in words is "one trillion, one hundred thirty-one billion, twenty million, two hundred thirteen thousand, two hundred three".