131004055 has 16 divisors (see below), whose sum is σ = 193483584. Its totient is φ = 82920960.

The previous prime is 131004037. The next prime is 131004073. The reversal of 131004055 is 550400131.

It is an interprime number because it is at equal distance from previous prime (131004037) and next prime (131004073).

It is not a de Polignac number, because 131004055 - 2¹⁷ = 130872983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143506 + ... + 144415.

It is an arithmetic number, because the mean of its divisors is an integer number (12092724).

Almost surely, 2^131004055 is an apocalyptic number.

131004055 is a deficient number, since it is larger than the sum of its proper divisors (62479529).

131004055 is a wasteful number, since it uses less digits than its factorization.

131004055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287946.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 131004055 is about 11445.7002843863. The cubic root of 131004055 is about 507.8805480502.

Adding to 131004055 its reverse (550400131), we get a palindrome (681404186).

The spelling of 131004055 in words is "one hundred thirty-one million, four thousand, fifty-five".