131012121024 has 42 divisors (see below), whose sum is σ = 375522591600. Its totient is φ = 43670706816.

The previous prime is 131012121017. The next prime is 131012121049. The reversal of 131012121024 is 420121210131.

131012121024 is a `hidden beast` number, since 1 + 310 + 121 + 210 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 131012120988 and 131012121006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113725224 + ... + 113726375.

Almost surely, 2^131012121024 is an apocalyptic number.

It is an amenable number.

131012121024 is an abundant number, since it is smaller than the sum of its proper divisors (244510470576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131012121024 is a wasteful number, since it uses less digits than its factorization.

131012121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227451617 (or 227451604 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 131012121024 its reverse (420121210131), we get a palindrome (551133331155).

The spelling of 131012121024 in words is "one hundred thirty-one billion, twelve million, one hundred twenty-one thousand, twenty-four".