31796229494 has 4 divisors (see below), whose sum is σ = 47694344244. Its totient is φ = 15898114746.

The previous prime is 31796229481. The next prime is 31796229511. The reversal of 31796229494 is 49492269713.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49492269713 = 463 ⋅106894751.

It is a super-2 number, since 2×31796229494² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7949057372 + ... + 7949057375.

It is an arithmetic number, because the mean of its divisors is an integer number (11923586061).

Almost surely, 2^31796229494 is an apocalyptic number.

31796229494 is a deficient number, since it is larger than the sum of its proper divisors (15898114750).

31796229494 is a wasteful number, since it uses less digits than its factorization.

31796229494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15898114749.

The product of its digits is 5878656, while the sum is 56.

The spelling of 31796229494 in words is "thirty-one billion, seven hundred ninety-six million, two hundred twenty-nine thousand, four hundred ninety-four".