31402003322442 has 32 divisors (see below), whose sum is σ = 66500472310272. Its totient is φ = 9851295947264.

The previous prime is 31402003322429. The next prime is 31402003322567. The reversal of 31402003322442 is 24422330020413.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652403 + ... + 8095334.

It is an arithmetic number, because the mean of its divisors is an integer number (2078139759696).

Almost surely, 2^{31402003322442} is an apocalyptic number.

31402003322442 is an abundant number, since it is smaller than the sum of its proper divisors (35098468987830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31402003322442 is a wasteful number, since it uses less digits than its factorization.

31402003322442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9779342.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31402003322442 its reverse (24422330020413), we get a palindrome (55824333342855).

The spelling of 31402003322442 in words is "thirty-one trillion, four hundred two billion, three million, three hundred twenty-two thousand, four hundred forty-two".