313511531340534 has 16 divisors (see below), whose sum is σ = 627036547896000. Its totient is φ = 104501596244360.

The previous prime is 313511531340533. The next prime is 313511531340569. The reversal of 313511531340534 is 435043135115313.

It is a super-2 number, since 2×313511531340534² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313511531340533) 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, 561581712 + ... + 562139699.

It is an arithmetic number, because the mean of its divisors is an integer number (39189784243500).

Almost surely, 2^{313511531340534} is an apocalyptic number.

313511531340534 is an abundant number, since it is smaller than the sum of its proper divisors (313525016555466).

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

313511531340534 is a wasteful number, since it uses less digits than its factorization.

313511531340534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123767915.

The product of its (nonzero) digits is 486000, while the sum is 42.

Adding to 313511531340534 its reverse (435043135115313), we get a palindrome (748554666455847).

The spelling of 313511531340534 in words is "three hundred thirteen trillion, five hundred eleven billion, five hundred thirty-one million, three hundred forty thousand, five hundred thirty-four".