131403402131 has 8 divisors (see below), whose sum is σ = 137140168704. Its totient is φ = 125668600200.

The previous prime is 131403402121. The next prime is 131403402133. The reversal of 131403402131 is 131204304131.

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 131403402131 - 2¹⁴ = 131403385747 is a prime.

It is a super-2 number, since 2×131403402131² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131403402097 and 131403402106.

It is not an unprimeable number, because it can be changed into a prime (131403402133) 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 7 ways as a sum of consecutive naturals, for example, 353651 + ... + 622796.

It is an arithmetic number, because the mean of its divisors is an integer number (17142521088).

Almost surely, 2^131403402131 is an apocalyptic number.

131403402131 is a deficient number, since it is larger than the sum of its proper divisors (5736766573).

131403402131 is an equidigital number, since it uses as much as digits as its factorization.

131403402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982321.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 131403402131 its reverse (131204304131), we get a palindrome (262607706262).

The spelling of 131403402131 in words is "one hundred thirty-one billion, four hundred three million, four hundred two thousand, one hundred thirty-one".