82111302 has 48 divisors (see below), whose sum is σ = 218967840. Its totient is φ = 21655296.

The previous prime is 82111301. The next prime is 82111313. The reversal of 82111302 is 20311128.

It is a super-2 number, since 2×82111302² = 13484531832270408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82111301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23427 + ... + 26702.

It is an arithmetic number, because the mean of its divisors is an integer number (4561830).

Almost surely, 2^82111302 is an apocalyptic number.

82111302 is an abundant number, since it is smaller than the sum of its proper divisors (136856538).

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

82111302 is a wasteful number, since it uses less digits than its factorization.

82111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50157 (or 50154 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 82111302 is about 9061.5286789813. The cubic root of 82111302 is about 434.6446245373.

The spelling of 82111302 in words is "eighty-two million, one hundred eleven thousand, three hundred two".