31114577740 has 96 divisors (see below), whose sum is σ = 67672120320. Its totient is φ = 12009254400.

The previous prime is 31114577713. The next prime is 31114577749. The reversal of 31114577740 is 4777541113.

It is a junction number, because it is equal to n+sod(n) for n = 31114577693 and 31114577702.

It is not an unprimeable number, because it can be changed into a prime (31114577749) 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 31 ways as a sum of consecutive naturals, for example, 36221431 + ... + 36222289.

It is an arithmetic number, because the mean of its divisors is an integer number (704917920).

Almost surely, 2^31114577740 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31114577740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33836060160).

31114577740 is an abundant number, since it is smaller than the sum of its proper divisors (36557542580).

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

31114577740 is a wasteful number, since it uses less digits than its factorization.

31114577740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1341 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 40.

The spelling of 31114577740 in words is "thirty-one billion, one hundred fourteen million, five hundred seventy-seven thousand, seven hundred forty".