131025511331 has 8 divisors (see below), whose sum is σ = 153932069424. Its totient is φ = 109951477920.

The previous prime is 131025511301. The next prime is 131025511403. The reversal of 131025511331 is 133115520131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131025511331 - 2³⁴ = 113845642147 is a prime.

It is a super-2 number, since 2×131025511331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131025511331.

It is not an unprimeable number, because it can be changed into a prime (131025511301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 458131016 + ... + 458131301.

It is an arithmetic number, because the mean of its divisors is an integer number (19241508678).

Almost surely, 2^131025511331 is an apocalyptic number.

131025511331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131025511331 is a deficient number, since it is larger than the sum of its proper divisors (22906558093).

131025511331 is a wasteful number, since it uses less digits than its factorization.

131025511331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916262341.

The product of its (nonzero) digits is 1350, while the sum is 26.

The spelling of 131025511331 in words is "one hundred thirty-one billion, twenty-five million, five hundred eleven thousand, three hundred thirty-one".