31820680034 has 16 divisors (see below), whose sum is σ = 56075604480. Its totient is φ = 13351334160.

The previous prime is 31820680013. The next prime is 31820680037. The reversal of 31820680034 is 43008602813.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31820679976 and 31820680003.

It is not an unprimeable number, because it can be changed into a prime (31820680037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55630274 + ... + 55630845.

It is an arithmetic number, because the mean of its divisors is an integer number (3504725280).

Almost surely, 2^31820680034 is an apocalyptic number.

31820680034 is a deficient number, since it is larger than the sum of its proper divisors (24254924446).

31820680034 is a wasteful number, since it uses less digits than its factorization.

31820680034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111261145.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 31820680034 in words is "thirty-one billion, eight hundred twenty million, six hundred eighty thousand, thirty-four".