131038485 has 16 divisors (see below), whose sum is σ = 212317440. Its totient is φ = 69001920.

The previous prime is 131038483. The next prime is 131038493. The reversal of 131038485 is 584830131.

It is not a de Polignac number, because 131038485 - 2¹ = 131038483 is a prime.

It is a super-4 number, since 4×131038485⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131038483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54106 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (13269840).

Almost surely, 2^131038485 is an apocalyptic number.

131038485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131038485 is a deficient number, since it is larger than the sum of its proper divisors (81278955).

131038485 is a wasteful number, since it uses less digits than its factorization.

131038485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110668.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 131038485 is about 11447.2042438318. The cubic root of 131038485 is about 507.9250372471.

The spelling of 131038485 in words is "one hundred thirty-one million, thirty-eight thousand, four hundred eighty-five".