31145422454113 has 16 divisors (see below), whose sum is σ = 34061014132992. Its totient is φ = 28243938960000.

The previous prime is 31145422454101. The next prime is 31145422454123.

31145422454113 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31145422454113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31145422454123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6224595 + ... + 10051687.

It is an arithmetic number, because the mean of its divisors is an integer number (2128813383312).

Almost surely, 2^{31145422454113} is an apocalyptic number.

It is an amenable number.

31145422454113 is a deficient number, since it is larger than the sum of its proper divisors (2915591678879).

31145422454113 is a wasteful number, since it uses less digits than its factorization.

31145422454113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3828936.

The product of its digits is 230400, while the sum is 40.

It can be divided in two parts, 3114542 and 2454113, that added together give a palindrome (5568655).

The spelling of 31145422454113 in words is "thirty-one trillion, one hundred forty-five billion, four hundred twenty-two million, four hundred fifty-four thousand, one hundred thirteen".