131000311030431 has 16 divisors (see below), whose sum is σ = 174838201666560. Its totient is φ = 87247982196960.

The previous prime is 131000311030403. The next prime is 131000311030441. The reversal of 131000311030431 is 134030113000131.

It is not a de Polignac number, because 131000311030431 - 2⁴¹ = 128801287774879 is a prime.

It is a super-2 number, since 2×131000311030431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131000311030398 and 131000311030407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131000311030441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585173386 + ... + 585397208.

It is an arithmetic number, because the mean of its divisors is an integer number (10927387604160).

Almost surely, 2^{131000311030431} is an apocalyptic number.

131000311030431 is a deficient number, since it is larger than the sum of its proper divisors (43837890636129).

131000311030431 is a wasteful number, since it uses less digits than its factorization.

131000311030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414086.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131000311030431 its reverse (134030113000131), we get a palindrome (265030424030562).

The spelling of 131000311030431 in words is "one hundred thirty-one trillion, three hundred eleven million, thirty thousand, four hundred thirty-one".