31431410012042 has 16 divisors (see below), whose sum is σ = 47201644334880. Its totient is φ = 15697529153328.

The previous prime is 31431410011961. The next prime is 31431410012053. The reversal of 31431410012042 is 24021001413413.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153441053 + ... + 153645759.

It is an arithmetic number, because the mean of its divisors is an integer number (2950102770930).

Almost surely, 2^{31431410012042} is an apocalyptic number.

31431410012042 is a deficient number, since it is larger than the sum of its proper divisors (15770234322838).

31431410012042 is a wasteful number, since it uses less digits than its factorization.

31431410012042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293125.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 31431410012042 its reverse (24021001413413), we get a palindrome (55452411425455).

The spelling of 31431410012042 in words is "thirty-one trillion, four hundred thirty-one billion, four hundred ten million, twelve thousand, forty-two".