131024312 has 8 divisors (see below), whose sum is σ = 245670600. Its totient is φ = 65512152.

The previous prime is 131024303. The next prime is 131024339. The reversal of 131024312 is 213420131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8189012 + ... + 8189027.

It is an arithmetic number, because the mean of its divisors is an integer number (30708825).

Almost surely, 2^131024312 is an apocalyptic number.

It is an amenable number.

131024312 is a deficient number, since it is larger than the sum of its proper divisors (114646288).

131024312 is a wasteful number, since it uses less digits than its factorization.

131024312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16378045 (or 16378041 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131024312 is about 11446.5851676384. The cubic root of 131024312 is about 507.9067243545.

Adding to 131024312 its reverse (213420131), we get a palindrome (344444443).

The spelling of 131024312 in words is "one hundred thirty-one million, twenty-four thousand, three hundred twelve".