31142041431 has 8 divisors (see below), whose sum is σ = 41890180080. Its totient is φ = 20577631872.

The previous prime is 31142041429. The next prime is 31142041453. The reversal of 31142041431 is 13414024113.

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

It is not a de Polignac number, because 31142041431 - 2¹ = 31142041429 is a prime.

It is a super-3 number, since 3×31142041431³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142041421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45931876 + ... + 45932553.

It is an arithmetic number, because the mean of its divisors is an integer number (5236272510).

Almost surely, 2^31142041431 is an apocalyptic number.

31142041431 is a deficient number, since it is larger than the sum of its proper divisors (10748138649).

31142041431 is a wasteful number, since it uses less digits than its factorization.

31142041431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91864545.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31142041431 its reverse (13414024113), we get a palindrome (44556065544).

The spelling of 31142041431 in words is "thirty-one billion, one hundred forty-two million, forty-one thousand, four hundred thirty-one".