31431122343454 has 8 divisors (see below), whose sum is σ = 47146709348640. Its totient is φ = 15715552560576.

The previous prime is 31431122343373. The next prime is 31431122343539. The reversal of 31431122343454 is 45434322113413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258347 + ... + 8243929.

It is an arithmetic number, because the mean of its divisors is an integer number (5893338668580).

Almost surely, 2^{31431122343454} is an apocalyptic number.

31431122343454 is a deficient number, since it is larger than the sum of its proper divisors (15715587005186).

31431122343454 is a wasteful number, since it uses less digits than its factorization.

31431122343454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611154.

The product of its digits is 414720, while the sum is 40.

Adding to 31431122343454 its reverse (45434322113413), we get a palindrome (76865444456867).

The spelling of 31431122343454 in words is "thirty-one trillion, four hundred thirty-one billion, one hundred twenty-two million, three hundred forty-three thousand, four hundred fifty-four".