31134131103242 has 64 divisors (see below), whose sum is σ = 54777141043200. Its totient is φ = 13180748898240.

The previous prime is 31134131103227. The next prime is 31134131103287. The reversal of 31134131103242 is 24230113143113.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19026608 + ... + 20598059.

It is an arithmetic number, because the mean of its divisors is an integer number (855892828800).

Almost surely, 2^{31134131103242} is an apocalyptic number.

31134131103242 is a deficient number, since it is larger than the sum of its proper divisors (23643009939958).

31134131103242 is a wasteful number, since it uses less digits than its factorization.

31134131103242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39624771.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31134131103242 its reverse (24230113143113), we get a palindrome (55364244246355).

The spelling of 31134131103242 in words is "thirty-one trillion, one hundred thirty-four billion, one hundred thirty-one million, one hundred three thousand, two hundred forty-two".