31530035631341 has 16 divisors (see below), whose sum is σ = 34797878593968. Its totient is φ = 28383126105600.

The previous prime is 31530035631337. The next prime is 31530035631359. The reversal of 31530035631341 is 14313653003513.

It can be written as a sum of positive squares in 8 ways, for example, as 681408975625 + 30848626655716 = 825475^2 + 5554154^2 .

It is a cyclic number.

It is not a de Polignac number, because 31530035631341 - 2² = 31530035631337 is a prime.

It is a super-2 number, since 2×31530035631341² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31530035631295 and 31530035631304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31530035631331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10838090 + ... + 13435931.

It is an arithmetic number, because the mean of its divisors is an integer number (2174867412123).

Almost surely, 2^{31530035631341} is an apocalyptic number.

It is an amenable number.

31530035631341 is a deficient number, since it is larger than the sum of its proper divisors (3267842962627).

31530035631341 is a wasteful number, since it uses less digits than its factorization.

31530035631341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24276512.

The product of its (nonzero) digits is 145800, while the sum is 38.

Adding to 31530035631341 its reverse (14313653003513), we get a palindrome (45843688634854).

The spelling of 31530035631341 in words is "thirty-one trillion, five hundred thirty billion, thirty-five million, six hundred thirty-one thousand, three hundred forty-one".