31504754866134 has 256 divisors, whose sum is σ = 71262478909440. Its totient is φ = 9203775267840.

The previous prime is 31504754866129. The next prime is 31504754866171. The reversal of 31504754866134 is 43166845740513.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 55958711737 + ... + 55958712299.

It is an arithmetic number, because the mean of its divisors is an integer number (278369058240).

Almost surely, 2^{31504754866134} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31504754866134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35631239454720).

31504754866134 is an abundant number, since it is smaller than the sum of its proper divisors (39757724043306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31504754866134 is a wasteful number, since it uses less digits than its factorization.

31504754866134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 31504754866134 in words is "thirty-one trillion, five hundred four billion, seven hundred fifty-four million, eight hundred sixty-six thousand, one hundred thirty-four".