31075606406 has 16 divisors (see below), whose sum is σ = 52381625184. Its totient is φ = 13718996544.

The previous prime is 31075606363. The next prime is 31075606409. The reversal of 31075606406 is 60460657013.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31075606406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31075606409) 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, 25982351 + ... + 25983546.

It is an arithmetic number, because the mean of its divisors is an integer number (3273851574).

Almost surely, 2^31075606406 is an apocalyptic number.

31075606406 is a deficient number, since it is larger than the sum of its proper divisors (21306018778).

31075606406 is a wasteful number, since it uses less digits than its factorization.

31075606406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51965935.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 31075606406 in words is "thirty-one billion, seventy-five million, six hundred six thousand, four hundred six".