1131203022431 has 8 divisors (see below), whose sum is σ = 1138013573760. Its totient is φ = 1124392910488.

The previous prime is 1131203022427. The next prime is 1131203022463. The reversal of 1131203022431 is 1342203021311.

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 1131203022431 - 2² = 1131203022427 is a prime.

It is a super-2 number, since 2×1131203022431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131203022397 and 1131203022406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131203022491) 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, 6111020 + ... + 6293406.

It is an arithmetic number, because the mean of its divisors is an integer number (142251696720).

Almost surely, 2^{1131203022431} is an apocalyptic number.

1131203022431 is a deficient number, since it is larger than the sum of its proper divisors (6810551329).

1131203022431 is a wasteful number, since it uses less digits than its factorization.

1131203022431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219693.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1131203022431 its reverse (1342203021311), we get a palindrome (2473406043742).

The spelling of 1131203022431 in words is "one trillion, one hundred thirty-one billion, two hundred three million, twenty-two thousand, four hundred thirty-one".