31441042143 has 48 divisors (see below), whose sum is σ = 54167929920. Its totient is φ = 17193157632.

The previous prime is 31441042141. The next prime is 31441042153. The reversal of 31441042143 is 34124014413.

31441042143 is a `hidden beast` number, since 3 + 1 + 441 + 0 + 4 + 214 + 3 = 666.

It is not a de Polignac number, because 31441042143 - 2¹ = 31441042141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441042141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130305 + ... + 282597.

It is an arithmetic number, because the mean of its divisors is an integer number (1128498540).

Almost surely, 2^31441042143 is an apocalyptic number.

31441042143 is a deficient number, since it is larger than the sum of its proper divisors (22726887777).

31441042143 is a wasteful number, since it uses less digits than its factorization.

31441042143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152448 (or 152445 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 31441042143 its reverse (34124014413), we get a palindrome (65565056556).

The spelling of 31441042143 in words is "thirty-one billion, four hundred forty-one million, forty-two thousand, one hundred forty-three".