131623301612 has 48 divisors (see below), whose sum is σ = 262256908032. Its totient is φ = 57216434880.

The previous prime is 131623301599. The next prime is 131623301633. The reversal of 131623301612 is 216103326131.

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, 7320938 + ... + 7338894.

It is an arithmetic number, because the mean of its divisors is an integer number (5463685584).

Almost surely, 2^131623301612 is an apocalyptic number.

It is an amenable number.

131623301612 is a deficient number, since it is larger than the sum of its proper divisors (130633606420).

131623301612 is a wasteful number, since it uses less digits than its factorization.

131623301612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25238 (or 25236 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 131623301612 its reverse (216103326131), we get a palindrome (347726627743).

The spelling of 131623301612 in words is "one hundred thirty-one billion, six hundred twenty-three million, three hundred one thousand, six hundred twelve".