31734678554129 has 4 divisors (see below), whose sum is σ = 33404924793840. Its totient is φ = 30064432314420.

The previous prime is 31734678554119. The next prime is 31734678554153. The reversal of 31734678554129 is 92145587643713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31734678554129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31734678554119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835123119827 + ... + 835123119864.

It is an arithmetic number, because the mean of its divisors is an integer number (8351231198460).

Almost surely, 2^{31734678554129} is an apocalyptic number.

It is an amenable number.

31734678554129 is a deficient number, since it is larger than the sum of its proper divisors (1670246239711).

31734678554129 is a wasteful number, since it uses less digits than its factorization.

31734678554129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670246239710.

The product of its digits is 152409600, while the sum is 65.

The spelling of 31734678554129 in words is "thirty-one trillion, seven hundred thirty-four billion, six hundred seventy-eight million, five hundred fifty-four thousand, one hundred twenty-nine".