31435671471316 has 96 divisors (see below), whose sum is σ = 65165639438592. Its totient is φ = 12987591321600.

The previous prime is 31435671471313. The next prime is 31435671471349. The reversal of 31435671471316 is 61317417653413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31435671471313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332074591 + ... + 332169241.

It is an arithmetic number, because the mean of its divisors is an integer number (678808744152).

Almost surely, 2^{31435671471316} 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 31435671471316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32582819719296).

31435671471316 is an abundant number, since it is smaller than the sum of its proper divisors (33729967967276).

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

31435671471316 is a wasteful number, since it uses less digits than its factorization.

31435671471316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97649 (or 97647 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 52.

The spelling of 31435671471316 in words is "thirty-one trillion, four hundred thirty-five billion, six hundred seventy-one million, four hundred seventy-one thousand, three hundred sixteen".