31145125525151 has 8 divisors (see below), whose sum is σ = 33977432971344. Its totient is φ = 28312973478720.

The previous prime is 31145125525079. The next prime is 31145125525159. The reversal of 31145125525151 is 15152552154113.

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 31145125525151 - 2¹⁴ = 31145125508767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31145125525099 and 31145125525108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31145125525159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38430680 + ... + 39232733.

It is an arithmetic number, because the mean of its divisors is an integer number (4247179121418).

Almost surely, 2^{31145125525151} is an apocalyptic number.

31145125525151 is a deficient number, since it is larger than the sum of its proper divisors (2832307446193).

31145125525151 is a wasteful number, since it uses less digits than its factorization.

31145125525151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77699881.

The product of its digits is 150000, while the sum is 41.

Adding to 31145125525151 its reverse (15152552154113), we get a palindrome (46297677679264).

The spelling of 31145125525151 in words is "thirty-one trillion, one hundred forty-five billion, one hundred twenty-five million, five hundred twenty-five thousand, one hundred fifty-one".