1131012142331 has 16 divisors (see below), whose sum is σ = 1145069568000. Its totient is φ = 1117046191200.

The previous prime is 1131012142327. The next prime is 1131012142339. The reversal of 1131012142331 is 1332412101311.

It is a cyclic number.

It is not a de Polignac number, because 1131012142331 - 2² = 1131012142327 is a prime.

It is a super-3 number, since 3×1131012142331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131012142297 and 1131012142306.

It is not an unprimeable number, because it can be changed into a prime (1131012142339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76006550 + ... + 76021428.

It is an arithmetic number, because the mean of its divisors is an integer number (71566848000).

Almost surely, 2^{1131012142331} is an apocalyptic number.

1131012142331 is a deficient number, since it is larger than the sum of its proper divisors (14057425669).

1131012142331 is a wasteful number, since it uses less digits than its factorization.

1131012142331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17890.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 1131012142331 its reverse (1332412101311), we get a palindrome (2463424243642).

The spelling of 1131012142331 in words is "one trillion, one hundred thirty-one billion, twelve million, one hundred forty-two thousand, three hundred thirty-one".