31112077347 has 16 divisors (see below), whose sum is σ = 49637502880. Its totient is φ = 19145893536.

The previous prime is 31112077313. The next prime is 31112077351. The reversal of 31112077347 is 74377021113.

It is a happy number.

It is not a de Polignac number, because 31112077347 - 2¹⁰ = 31112076323 is a prime.

It is a super-2 number, since 2×31112077347² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31112077397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44318848 + ... + 44319549.

It is an arithmetic number, because the mean of its divisors is an integer number (3102343930).

Almost surely, 2^31112077347 is an apocalyptic number.

31112077347 is a deficient number, since it is larger than the sum of its proper divisors (18525425533).

31112077347 is a wasteful number, since it uses less digits than its factorization.

31112077347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88638419 (or 88638413 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The spelling of 31112077347 in words is "thirty-one billion, one hundred twelve million, seventy-seven thousand, three hundred forty-seven".