31244120223442 has 8 divisors (see below), whose sum is σ = 53561348954496. Its totient is φ = 13390337238612.

The previous prime is 31244120223431. The next prime is 31244120223457. The reversal of 31244120223442 is 24432202144213.

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

It is a junction number, because it is equal to n+sod(n) for n = 31244120223398 and 31244120223407.

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, 1115861436538 + ... + 1115861436565.

It is an arithmetic number, because the mean of its divisors is an integer number (6695168619312).

Almost surely, 2^{31244120223442} is an apocalyptic number.

31244120223442 is a deficient number, since it is larger than the sum of its proper divisors (22317228731054).

31244120223442 is a wasteful number, since it uses less digits than its factorization.

31244120223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231722873112.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 31244120223442 its reverse (24432202144213), we get a palindrome (55676322367655).

The spelling of 31244120223442 in words is "thirty-one trillion, two hundred forty-four billion, one hundred twenty million, two hundred twenty-three thousand, four hundred forty-two".