31341382530 has 16 divisors (see below), whose sum is σ = 75219318144. Its totient is φ = 8357702000.

The previous prime is 31341382481. The next prime is 31341382537. The reversal of 31341382530 is 3528314313.

It is a junction number, because it is equal to n+sod(n) for n = 31341382491 and 31341382500.

It is not an unprimeable number, because it can be changed into a prime (31341382537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522356346 + ... + 522356405.

It is an arithmetic number, because the mean of its divisors is an integer number (4701207384).

Almost surely, 2^31341382530 is an apocalyptic number.

31341382530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31341382530 is an abundant number, since it is smaller than the sum of its proper divisors (43877935614).

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

31341382530 is a wasteful number, since it uses less digits than its factorization.

31341382530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044712761.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 31341382530 its reverse (3528314313), we get a palindrome (34869696843).

The spelling of 31341382530 in words is "thirty-one billion, three hundred forty-one million, three hundred eighty-two thousand, five hundred thirty".