31454364632121 has 6 divisors (see below), whose sum is σ = 45434082246410. Its totient is φ = 20969576421408.

The previous prime is 31454364632077. The next prime is 31454364632153. The reversal of 31454364632121 is 12123646345413.

31454364632121 is a `hidden beast` number, since 3 + 1 + 4 + 5 + 4 + 3 + 6 + 4 + 632 + 1 + 2 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29078635636521 + 2375728995600 = 5392461^2 + 1541340^2 .

It is not a de Polignac number, because 31454364632121 - 2¹⁵ = 31454364599353 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31454364632161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1747464701776 + ... + 1747464701793.

Almost surely, 2^{31454364632121} is an apocalyptic number.

It is an amenable number.

31454364632121 is a deficient number, since it is larger than the sum of its proper divisors (13979717614289).

31454364632121 is a wasteful number, since it uses less digits than its factorization.

31454364632121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494929403575 (or 3494929403572 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 31454364632121 in words is "thirty-one trillion, four hundred fifty-four billion, three hundred sixty-four million, six hundred thirty-two thousand, one hundred twenty-one".