31600601340 has 192 divisors, whose sum is σ = 112662724608. Its totient is φ = 6426604800.

The previous prime is 31600601321. The next prime is 31600601369. The reversal of 31600601340 is 4310600613.

It is a self number, because there is not a number n which added to its sum of digits gives 31600601340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144375 + ... + 289905.

It is an arithmetic number, because the mean of its divisors is an integer number (586785024).

Almost surely, 2^31600601340 is an apocalyptic number.

31600601340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31600601340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56331362304).

31600601340 is an abundant number, since it is smaller than the sum of its proper divisors (81062123268).

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

31600601340 is a wasteful number, since it uses less digits than its factorization.

31600601340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145608 (or 145606 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The spelling of 31600601340 in words is "thirty-one billion, six hundred million, six hundred one thousand, three hundred forty".