31554716134 has 4 divisors (see below), whose sum is σ = 47332074204. Its totient is φ = 15777358066.

The previous prime is 31554716131. The next prime is 31554716147. The reversal of 31554716134 is 43161745513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×31554716134² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 7888679032 + ... + 7888679035.

It is an arithmetic number, because the mean of its divisors is an integer number (11833018551).

Almost surely, 2^31554716134 is an apocalyptic number.

31554716134 is a deficient number, since it is larger than the sum of its proper divisors (15777358070).

31554716134 is a wasteful number, since it uses less digits than its factorization.

31554716134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15777358069.

The product of its digits is 151200, while the sum is 40.

The spelling of 31554716134 in words is "thirty-one billion, five hundred fifty-four million, seven hundred sixteen thousand, one hundred thirty-four".