31134234011242 has 16 divisors (see below), whose sum is σ = 47226974895360. Its totient is φ = 15392371948272.

The previous prime is 31134234011239. The next prime is 31134234011249. The reversal of 31134234011242 is 24211043243113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31134234011249) 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, 115590642 + ... + 115859677.

It is an arithmetic number, because the mean of its divisors is an integer number (2951685930960).

Almost surely, 2^{31134234011242} is an apocalyptic number.

31134234011242 is a deficient number, since it is larger than the sum of its proper divisors (16092740884118).

31134234011242 is a wasteful number, since it uses less digits than its factorization.

31134234011242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231451077.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31134234011242 its reverse (24211043243113), we get a palindrome (55345277254355).

The spelling of 31134234011242 in words is "thirty-one trillion, one hundred thirty-four billion, two hundred thirty-four million, eleven thousand, two hundred forty-two".