31041451142 has 16 divisors (see below), whose sum is σ = 50168205360. Its totient is φ = 14319874272.

The previous prime is 31041451141. The next prime is 31041451157. The reversal of 31041451142 is 24115414013.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041451141) 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, 234728 + ... + 342315.

It is an arithmetic number, because the mean of its divisors is an integer number (3135512835).

Almost surely, 2^31041451142 is an apocalyptic number.

31041451142 is a deficient number, since it is larger than the sum of its proper divisors (19126754218).

31041451142 is a wasteful number, since it uses less digits than its factorization.

31041451142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579127.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 31041451142 its reverse (24115414013), we get a palindrome (55156865155).

The spelling of 31041451142 in words is "thirty-one billion, forty-one million, four hundred fifty-one thousand, one hundred forty-two".