31142042323004 has 12 divisors (see below), whose sum is σ = 54652960963104. Its totient is φ = 15526910619264.

The previous prime is 31142042322973. The next prime is 31142042323009. The reversal of 31142042323004 is 40032324024113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31142042323009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11027633972 + ... + 11027636795.

It is an arithmetic number, because the mean of its divisors is an integer number (4554413413592).

Almost surely, 2^{31142042323004} is an apocalyptic number.

It is an amenable number.

31142042323004 is a deficient number, since it is larger than the sum of its proper divisors (23510918640100).

31142042323004 is a wasteful number, since it uses less digits than its factorization.

31142042323004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22055271124 (or 22055271122 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31142042323004 its reverse (40032324024113), we get a palindrome (71174366347117).

The spelling of 31142042323004 in words is "thirty-one trillion, one hundred forty-two billion, forty-two million, three hundred twenty-three thousand, four".