1131202000231 has 8 divisors (see below), whose sum is σ = 1137138120144. Its totient is φ = 1125275121600.

The previous prime is 1131202000211. The next prime is 1131202000241. The reversal of 1131202000231 is 1320002021311.

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 1131202000231 - 2¹¹ = 1131201998183 is a prime.

It is a super-2 number, since 2×1131202000231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131202000211) 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, 2064796 + ... + 2554561.

It is an arithmetic number, because the mean of its divisors is an integer number (142142265018).

Almost surely, 2^{1131202000231} is an apocalyptic number.

1131202000231 is a deficient number, since it is larger than the sum of its proper divisors (5936119913).

1131202000231 is a wasteful number, since it uses less digits than its factorization.

1131202000231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4620641.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1131202000231 its reverse (1320002021311), we get a palindrome (2451204021542).

The spelling of 1131202000231 in words is "one trillion, one hundred thirty-one billion, two hundred two million, two hundred thirty-one", and thus it is an aban number.