31469481421 has 8 divisors (see below), whose sum is σ = 36301245120. Its totient is φ = 26721748608.

The previous prime is 31469481413. The next prime is 31469481469. The reversal of 31469481421 is 12418496413.

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 31469481421 - 2³ = 31469481413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31469487421) 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, 21006916 + ... + 21008413.

It is an arithmetic number, because the mean of its divisors is an integer number (4537655640).

Almost surely, 2^31469481421 is an apocalyptic number.

It is an amenable number.

31469481421 is a deficient number, since it is larger than the sum of its proper divisors (4831763699).

31469481421 is a wasteful number, since it uses less digits than its factorization.

31469481421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42015443.

The product of its digits is 165888, while the sum is 43.

The spelling of 31469481421 in words is "thirty-one billion, four hundred sixty-nine million, four hundred eighty-one thousand, four hundred twenty-one".