31243145034 has 8 divisors (see below), whose sum is σ = 62486290080. Its totient is φ = 10414381676.

The previous prime is 31243145033. The next prime is 31243145051. The reversal of 31243145034 is 43054134213.

It is a sphenic number, since it is the product of 3 distinct primes.

31243145034 is an admirable number.

It is a super-2 number, since 2×31243145034² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31243144992 and 31243145010.

It is not an unprimeable number, because it can be changed into a prime (31243145033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2603595414 + ... + 2603595425.

It is an arithmetic number, because the mean of its divisors is an integer number (7810786260).

Almost surely, 2^31243145034 is an apocalyptic number.

31243145034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

31243145034 is a wasteful number, since it uses less digits than its factorization.

31243145034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5207190844.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 31243145034 its reverse (43054134213), we get a palindrome (74297279247).

The spelling of 31243145034 in words is "thirty-one billion, two hundred forty-three million, one hundred forty-five thousand, thirty-four".