31299419347 has 16 divisors (see below), whose sum is σ = 36448761600. Its totient is φ = 26321369760.

The previous prime is 31299419329. The next prime is 31299419351. The reversal of 31299419347 is 74391499213.

It is not a de Polignac number, because 31299419347 - 2¹¹ = 31299417299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31299419294 and 31299419303.

It is not an unprimeable number, because it can be changed into a prime (31299419387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135772 + ... + 284662.

It is an arithmetic number, because the mean of its divisors is an integer number (2278047600).

Almost surely, 2^31299419347 is an apocalyptic number.

31299419347 is a deficient number, since it is larger than the sum of its proper divisors (5149342253).

31299419347 is a wasteful number, since it uses less digits than its factorization.

31299419347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149466.

The product of its digits is 1469664, while the sum is 52.

The spelling of 31299419347 in words is "thirty-one billion, two hundred ninety-nine million, four hundred nineteen thousand, three hundred forty-seven".