131521455003 has 24 divisors (see below), whose sum is σ = 181145531952. Its totient is φ = 84877640064.

The previous prime is 131521454983. The next prime is 131521455019. The reversal of 131521455003 is 300554125131.

It is not a de Polignac number, because 131521455003 - 2⁵ = 131521454971 is a prime.

It is a super-2 number, since 2×131521455003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131521455053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727801 + ... + 890357.

It is an arithmetic number, because the mean of its divisors is an integer number (7547730498).

Almost surely, 2^131521455003 is an apocalyptic number.

131521455003 is a deficient number, since it is larger than the sum of its proper divisors (49624076949).

131521455003 is a wasteful number, since it uses less digits than its factorization.

131521455003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162831 (or 162794 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 131521455003 in words is "one hundred thirty-one billion, five hundred twenty-one million, four hundred fifty-five thousand, three".