31045350112511 has 8 divisors (see below), whose sum is σ = 35481696814080. Its totient is φ = 26609327582328.

The previous prime is 31045350112507. The next prime is 31045350112541. The reversal of 31045350112511 is 11521105354013.

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

It is a cyclic number.

It is not a de Polignac number, because 31045350112511 - 2² = 31045350112507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31045350112541) 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, 80837591 + ... + 81220728.

It is an arithmetic number, because the mean of its divisors is an integer number (4435212101760).

Almost surely, 2^{31045350112511} is an apocalyptic number.

31045350112511 is a deficient number, since it is larger than the sum of its proper divisors (4436346701569).

31045350112511 is a wasteful number, since it uses less digits than its factorization.

31045350112511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162085693.

The product of its (nonzero) digits is 9000, while the sum is 32.

Adding to 31045350112511 its reverse (11521105354013), we get a palindrome (42566455466524).

The spelling of 31045350112511 in words is "thirty-one trillion, forty-five billion, three hundred fifty million, one hundred twelve thousand, five hundred eleven".