131020231024433 has 16 divisors (see below), whose sum is σ = 138088571851776. Its totient is φ = 124072417465920.

The previous prime is 131020231024409. The next prime is 131020231024453. The reversal of 131020231024433 is 334420132020131.

It is a cyclic number.

It is not a de Polignac number, because 131020231024433 - 2³⁰ = 131019157282609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131020231024396 and 131020231024405.

It is not an unprimeable number, because it can be changed into a prime (131020231024453) 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 15 ways as a sum of consecutive naturals, for example, 69637910 + ... + 71494607.

It is an arithmetic number, because the mean of its divisors is an integer number (8630535740736).

Almost surely, 2^{131020231024433} is an apocalyptic number.

It is an amenable number.

131020231024433 is a deficient number, since it is larger than the sum of its proper divisors (7068340827343).

131020231024433 is a wasteful number, since it uses less digits than its factorization.

131020231024433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141132944.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 131020231024433 its reverse (334420132020131), we get a palindrome (465440363044564).

The spelling of 131020231024433 in words is "one hundred thirty-one trillion, twenty billion, two hundred thirty-one million, twenty-four thousand, four hundred thirty-three".