31367738149 has 8 divisors (see below), whose sum is σ = 34227834048. Its totient is φ = 28509056160.

The previous prime is 31367738119. The next prime is 31367738167. The reversal of 31367738149 is 94183776313.

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 31367738149 - 2¹³ = 31367729957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31367738096 and 31367738105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31367738119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306817 + ... + 396070.

It is an arithmetic number, because the mean of its divisors is an integer number (4278479256).

Almost surely, 2^31367738149 is an apocalyptic number.

It is an amenable number.

31367738149 is a deficient number, since it is larger than the sum of its proper divisors (2860095899).

31367738149 is a wasteful number, since it uses less digits than its factorization.

31367738149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706955.

The product of its digits is 2286144, while the sum is 52.

The spelling of 31367738149 in words is "thirty-one billion, three hundred sixty-seven million, seven hundred thirty-eight thousand, one hundred forty-nine".