31130001301340 has 96 divisors (see below), whose sum is σ = 67382705295360. Its totient is φ = 12074200656896.

The previous prime is 31130001301339. The next prime is 31130001301379. The reversal of 31130001301340 is 4310310003113.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261135389 + ... + 261254571.

It is an arithmetic number, because the mean of its divisors is an integer number (701903180160).

Almost surely, 2^{31130001301340} is an apocalyptic number.

It is an amenable number.

31130001301340 is an abundant number, since it is smaller than the sum of its proper divisors (36252703994020).

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

31130001301340 is a wasteful number, since it uses less digits than its factorization.

31130001301340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121811 (or 121809 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31130001301340 its reverse (4310310003113), we get a palindrome (35440311304453).

The spelling of 31130001301340 in words is "thirty-one trillion, one hundred thirty billion, one million, three hundred one thousand, three hundred forty".