131008837 has 2 divisors, whose sum is σ = 131008838. Its totient is φ = 131008836.

The previous prime is 131008799. The next prime is 131008841. The reversal of 131008837 is 738800131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129367876 + 1640961 = 11374^2 + 1281^2 .

It is an emirp because it is prime and its reverse (738800131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131008837 - 2¹¹ = 131006789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131008799 and 131008808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131008877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65504418 + 65504419.

It is an arithmetic number, because the mean of its divisors is an integer number (65504419).

Almost surely, 2^131008837 is an apocalyptic number.

It is an amenable number.

131008837 is a deficient number, since it is larger than the sum of its proper divisors (1).

131008837 is an equidigital number, since it uses as much as digits as its factorization.

131008837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 131008837 is about 11445.9091818868. The cubic root of 131008837 is about 507.8867276432.

Adding to 131008837 its reverse (738800131), we get a palindrome (869808968).

It can be divided in two parts, 13 and 1008837, that multiplied together give a triangular number (13114881 = T₅₁₂₁).

The spelling of 131008837 in words is "one hundred thirty-one million, eight thousand, eight hundred thirty-seven".