31554716133 has 16 divisors (see below), whose sum is σ = 43001706240. Its totient is φ = 20572801536.

The previous prime is 31554716131. The next prime is 31554716147. The reversal of 31554716133 is 33161745513.

It is not a de Polignac number, because 31554716133 - 2¹ = 31554716131 is a prime.

It is a super-2 number, since 2×31554716133² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31554716091 and 31554716100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31554716131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 94941 + ... + 268557.

It is an arithmetic number, because the mean of its divisors is an integer number (2687606640).

Almost surely, 2^31554716133 is an apocalyptic number.

It is an amenable number.

31554716133 is a deficient number, since it is larger than the sum of its proper divisors (11446990107).

31554716133 is a wasteful number, since it uses less digits than its factorization.

31554716133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174956.

The product of its digits is 113400, while the sum is 39.

The spelling of 31554716133 in words is "thirty-one billion, five hundred fifty-four million, seven hundred sixteen thousand, one hundred thirty-three".