31386102 has 32 divisors (see below), whose sum is σ = 68688000. Its totient is φ = 9481920.

The previous prime is 31386079. The next prime is 31386133. The reversal of 31386102 is 20168313.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32458 + ... + 33410.

It is an arithmetic number, because the mean of its divisors is an integer number (2146500).

Almost surely, 2^31386102 is an apocalyptic number.

31386102 is an abundant number, since it is smaller than the sum of its proper divisors (37301898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31386102 is a wasteful number, since it uses less digits than its factorization.

31386102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 31386102 is about 5602.3300509699. The cubic root of 31386102 is about 315.4368742915.

The spelling of 31386102 in words is "thirty-one million, three hundred eighty-six thousand, one hundred two".