131021101144 has 64 divisors (see below), whose sum is σ = 254735526240. Its totient is φ = 63138216960.

The previous prime is 131021101121. The next prime is 131021101171. The reversal of 131021101144 is 441101120131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22835044 + ... + 22840780.

Almost surely, 2^131021101144 is an apocalyptic number.

It is an amenable number.

131021101144 is a deficient number, since it is larger than the sum of its proper divisors (123714425096).

131021101144 is a wasteful number, since it uses less digits than its factorization.

131021101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740 (or 6736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131021101144 its reverse (441101120131), we get a palindrome (572122221275).

The spelling of 131021101144 in words is "one hundred thirty-one billion, twenty-one million, one hundred one thousand, one hundred forty-four".