3131154511313 has 4 divisors (see below), whose sum is σ = 3315340070820. Its totient is φ = 2946968951808.

The previous prime is 3131154511291. The next prime is 3131154511333.

3131154511313 is nontrivially palindromic in base 10.

3131154511313 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2172758544784 + 958395966529 = 1474028^2 + 978977^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131154511313 - 2⁸ = 3131154511057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131154511313.

It is not an unprimeable number, because it can be changed into a prime (3131154511333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92092779728 + ... + 92092779761.

It is an arithmetic number, because the mean of its divisors is an integer number (828835017705).

Almost surely, 2^{3131154511313} is an apocalyptic number.

It is an amenable number.

3131154511313 is a deficient number, since it is larger than the sum of its proper divisors (184185559507).

3131154511313 is a wasteful number, since it uses less digits than its factorization.

3131154511313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184185559506.

The product of its digits is 8100, while the sum is 32.

The spelling of 3131154511313 in words is "three trillion, one hundred thirty-one billion, one hundred fifty-four million, five hundred eleven thousand, three hundred thirteen".