131030012 has 6 divisors (see below), whose sum is σ = 229302528. Its totient is φ = 65515004.

The previous prime is 131029993. The next prime is 131030047. The reversal of 131030012 is 210030131.

It is a junction number, because it is equal to n+sod(n) for n = 131029975 and 131030002.

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, 16378748 + ... + 16378755.

It is an arithmetic number, because the mean of its divisors is an integer number (38217088).

Almost surely, 2^131030012 is an apocalyptic number.

It is an amenable number.

131030012 is a deficient number, since it is larger than the sum of its proper divisors (98272516).

131030012 is a wasteful number, since it uses less digits than its factorization.

131030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32757507 (or 32757505 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 131030012 is about 11446.8341474837. The cubic root of 131030012 is about 507.9140894669.

Adding to 131030012 its reverse (210030131), we get a palindrome (341060143).

The spelling of 131030012 in words is "one hundred thirty-one million, thirty thousand, twelve".