131501012 has 6 divisors (see below), whose sum is σ = 230126778. Its totient is φ = 65750504.

The previous prime is 131500987. The next prime is 131501047. The reversal of 131501012 is 210105131.

It can be written as a sum of positive squares in only one way, i.e., 74407876 + 57093136 = 8626^2 + 7556^2 .

It is a super-3 number, since 3×131501012³ (a number of 25 digits) contains 333 as substring.

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, 16437623 + ... + 16437630.

It is an arithmetic number, because the mean of its divisors is an integer number (38354463).

Almost surely, 2^131501012 is an apocalyptic number.

It is an amenable number.

131501012 is a deficient number, since it is larger than the sum of its proper divisors (98625766).

131501012 is a wasteful number, since it uses less digits than its factorization.

131501012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32875257 (or 32875255 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 131501012 is about 11467.3890663917. The cubic root of 131501012 is about 508.5219437577.

Adding to 131501012 its reverse (210105131), we get a palindrome (341606143).

The spelling of 131501012 in words is "one hundred thirty-one million, five hundred one thousand, twelve".