331200001131 has 4 divisors (see below), whose sum is σ = 441600001512. Its totient is φ = 220800000752.

The previous prime is 331200001129. The next prime is 331200001147. The reversal of 331200001131 is 131100002133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 331200001131 - 2¹ = 331200001129 is a prime.

It is a super-2 number, since 2×331200001131² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331200001131.

It is not an unprimeable number, because it can be changed into a prime (331200001331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55200000186 + ... + 55200000191.

It is an arithmetic number, because the mean of its divisors is an integer number (110400000378).

Almost surely, 2^331200001131 is an apocalyptic number.

331200001131 is a deficient number, since it is larger than the sum of its proper divisors (110400000381).

331200001131 is a wasteful number, since it uses less digits than its factorization.

331200001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110400000380.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 331200001131 its reverse (131100002133), we get a palindrome (462300003264).

The spelling of 331200001131 in words is "three hundred thirty-one billion, two hundred million, one thousand, one hundred thirty-one".