31401241642 has 8 divisors (see below), whose sum is σ = 47121309216. Its totient is φ = 15694138572.

The previous prime is 31401241631. The next prime is 31401241657. The reversal of 31401241642 is 24614210413.

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

It is a self number, because there is not a number n which added to its sum of digits gives 31401241642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3235068 + ... + 3244759.

It is an arithmetic number, because the mean of its divisors is an integer number (5890163652).

Almost surely, 2^31401241642 is an apocalyptic number.

31401241642 is a deficient number, since it is larger than the sum of its proper divisors (15720067574).

31401241642 is a wasteful number, since it uses less digits than its factorization.

31401241642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6482252.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 31401241642 in words is "thirty-one billion, four hundred one million, two hundred forty-one thousand, six hundred forty-two".