31308430226 has 16 divisors (see below), whose sum is σ = 48086483328. Its totient is φ = 15283884000.

The previous prime is 31308430213. The next prime is 31308430303. The reversal of 31308430226 is 62203480313.

It is a super-2 number, since 2×31308430226² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31308430192 and 31308430201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055675 + ... + 1084926.

It is an arithmetic number, because the mean of its divisors is an integer number (3005405208).

Almost surely, 2^31308430226 is an apocalyptic number.

31308430226 is a deficient number, since it is larger than the sum of its proper divisors (16778053102).

31308430226 is a wasteful number, since it uses less digits than its factorization.

31308430226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140777.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 31308430226 in words is "thirty-one billion, three hundred eight million, four hundred thirty thousand, two hundred twenty-six".