1131013020403 has 8 divisors (see below), whose sum is σ = 1301146484480. Its totient is φ = 963019600200.

The previous prime is 1131013020329. The next prime is 1131013020419. The reversal of 1131013020403 is 3040203101311.

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

It is a de Polignac number, because none of the positive numbers 2^k-1131013020403 is a prime.

It is a super-2 number, since 2×1131013020403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131013020443) 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, 535009833 + ... + 535011946.

It is an arithmetic number, because the mean of its divisors is an integer number (162643310560).

Almost surely, 2^{1131013020403} is an apocalyptic number.

1131013020403 is a deficient number, since it is larger than the sum of its proper divisors (170133464077).

1131013020403 is a wasteful number, since it uses less digits than its factorization.

1131013020403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070021937.

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

Adding to 1131013020403 its reverse (3040203101311), we get a palindrome (4171216121714).

The spelling of 1131013020403 in words is "one trillion, one hundred thirty-one billion, thirteen million, twenty thousand, four hundred three".