31441433320131 has 8 divisors (see below), whose sum is σ = 41929977674064. Its totient is φ = 20956922256480.

The previous prime is 31441433320097. The next prime is 31441433320147. The reversal of 31441433320131 is 13102333414413.

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

It is not a de Polignac number, because 31441433320131 - 2¹⁸ = 31441433057987 is a prime.

It is a super-2 number, since 2×31441433320131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31441433320092 and 31441433320101.

It is not an unprimeable number, because it can be changed into a prime (31441433320831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008304380 + ... + 1008335561.

It is an arithmetic number, because the mean of its divisors is an integer number (5241247209258).

Almost surely, 2^{31441433320131} is an apocalyptic number.

31441433320131 is a deficient number, since it is larger than the sum of its proper divisors (10488544353933).

31441433320131 is a wasteful number, since it uses less digits than its factorization.

31441433320131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016645141.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 31441433320131 its reverse (13102333414413), we get a palindrome (44543766734544).

The spelling of 31441433320131 in words is "thirty-one trillion, four hundred forty-one billion, four hundred thirty-three million, three hundred twenty thousand, one hundred thirty-one".