31154166145113 has 64 divisors (see below), whose sum is σ = 47614791555072. Its totient is φ = 17934750535680.

The previous prime is 31154166145013. The next prime is 31154166145181.

31154166145113 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31154166145113 - 2¹² = 31154166141017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31154166145013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150460131 + ... + 150667047.

It is an arithmetic number, because the mean of its divisors is an integer number (743981118048).

Almost surely, 2^{31154166145113} is an apocalyptic number.

31154166145113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31154166145113 is a deficient number, since it is larger than the sum of its proper divisors (16460625409959).

31154166145113 is a wasteful number, since it uses less digits than its factorization.

31154166145113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208334.

The product of its digits is 129600, while the sum is 42.

The spelling of 31154166145113 in words is "thirty-one trillion, one hundred fifty-four billion, one hundred sixty-six million, one hundred forty-five thousand, one hundred thirteen".