131403157471 has 4 divisors (see below), whose sum is σ = 131438665944. Its totient is φ = 131367649000.

The previous prime is 131403157463. The next prime is 131403157477. The reversal of 131403157471 is 174751304131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131403157471 - 2³ = 131403157463 is a prime.

It is a super-3 number, since 3×131403157471³ (a number of 34 digits) contains 333 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 131403157471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403157477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17748685 + ... + 17756086.

It is an arithmetic number, because the mean of its divisors is an integer number (32859666486).

Almost surely, 2^131403157471 is an apocalyptic number.

131403157471 is a deficient number, since it is larger than the sum of its proper divisors (35508473).

131403157471 is an equidigital number, since it uses as much as digits as its factorization.

131403157471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35508472.

The product of its (nonzero) digits is 35280, while the sum is 37.

The spelling of 131403157471 in words is "one hundred thirty-one billion, four hundred three million, one hundred fifty-seven thousand, four hundred seventy-one".