13047744774031 has 32 divisors (see below), whose sum is σ = 14492520000000. Its totient is φ = 11646565109760.

The previous prime is 13047744773993. The next prime is 13047744774089.

It is a happy number.

13047744774031 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-13047744774031 is a prime.

It is a super-2 number, since 2×13047744774031² (a number of 27 digits) contains 22 as substring.

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 13047744774031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047744774091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2610068470 + ... + 2610073468.

It is an arithmetic number, because the mean of its divisors is an integer number (452891250000).

Almost surely, 2^{13047744774031} is an apocalyptic number.

13047744774031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13047744774031 is a deficient number, since it is larger than the sum of its proper divisors (1444775225969).

13047744774031 is a wasteful number, since it uses less digits than its factorization.

13047744774031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9087.

The product of its (nonzero) digits is 5531904, while the sum is 52.

The spelling of 13047744774031 in words is "thirteen trillion, forty-seven billion, seven hundred forty-four million, seven hundred seventy-four thousand, thirty-one".