31005034413245 has 8 divisors (see below), whose sum is σ = 37574417943000. Its totient is φ = 24558443099200.

The previous prime is 31005034413211. The next prime is 31005034413281. The reversal of 31005034413245 is 54231443050013.

It can be written as a sum of positive squares in 4 ways, for example, as 14572283177956 + 16432751235289 = 3817366^2 + 4053733^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-31005034413245 is a prime.

It is a super-2 number, since 2×31005034413245² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30698053370 + ... + 30698054379.

It is an arithmetic number, because the mean of its divisors is an integer number (4696802242875).

Almost surely, 2^{31005034413245} is an apocalyptic number.

It is an amenable number.

31005034413245 is a deficient number, since it is larger than the sum of its proper divisors (6569383529755).

31005034413245 is a wasteful number, since it uses less digits than its factorization.

31005034413245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61396107855.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 31005034413245 its reverse (54231443050013), we get a palindrome (85236477463258).

The spelling of 31005034413245 in words is "thirty-one trillion, five billion, thirty-four million, four hundred thirteen thousand, two hundred forty-five".