31422403023421 has 8 divisors (see below), whose sum is σ = 31473109568000. Its totient is φ = 31371699355920.

The previous prime is 31422403023419. The next prime is 31422403023443. The reversal of 31422403023421 is 12432030422413.

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

It is a cyclic number.

It is not a de Polignac number, because 31422403023421 - 2¹ = 31422403023419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422403021421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21704980 + ... + 23107378.

It is an arithmetic number, because the mean of its divisors is an integer number (3934138696000).

Almost surely, 2^{31422403023421} is an apocalyptic number.

It is an amenable number.

31422403023421 is a deficient number, since it is larger than the sum of its proper divisors (50706544579).

31422403023421 is a wasteful number, since it uses less digits than its factorization.

31422403023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438539.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31422403023421 its reverse (12432030422413), we get a palindrome (43854433445834).

The spelling of 31422403023421 in words is "thirty-one trillion, four hundred twenty-two billion, four hundred three million, twenty-three thousand, four hundred twenty-one".