131002455 has 16 divisors (see below), whose sum is σ = 212557824. Its totient is φ = 68883360.

The previous prime is 131002453. The next prime is 131002471. The reversal of 131002455 is 554200131.

It is not a de Polignac number, because 131002455 - 2¹ = 131002453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60439 + ... + 62568.

It is an arithmetic number, because the mean of its divisors is an integer number (13284864).

Almost surely, 2^131002455 is an apocalyptic number.

131002455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131002455 is a deficient number, since it is larger than the sum of its proper divisors (81555369).

131002455 is a wasteful number, since it uses less digits than its factorization.

131002455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123086.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 131002455 is about 11445.6303889301. The cubic root of 131002455 is about 507.8784803987.

Adding to 131002455 its reverse (554200131), we get a palindrome (685202586).

The spelling of 131002455 in words is "one hundred thirty-one million, two thousand, four hundred fifty-five".