131012112322 has 48 divisors (see below), whose sum is σ = 246264718392. Its totient is φ = 51812732160.

The previous prime is 131012112307. The next prime is 131012112323. The reversal of 131012112322 is 223211210131.

It can be written as a sum of positive squares in 4 ways, for example, as 34949928601 + 96062183721 = 186949^2 + 309939^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131012112322.

It is not an unprimeable number, because it can be changed into a prime (131012112323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4563172 + ... + 4591792.

Almost surely, 2^131012112322 is an apocalyptic number.

131012112322 is a deficient number, since it is larger than the sum of its proper divisors (115252606070).

131012112322 is a wasteful number, since it uses less digits than its factorization.

131012112322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32243 (or 32236 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131012112322 its reverse (223211210131), we get a palindrome (354223322453).

The spelling of 131012112322 in words is "one hundred thirty-one billion, twelve million, one hundred twelve thousand, three hundred twenty-two".