3101222140 has 12 divisors (see below), whose sum is σ = 6512566536. Its totient is φ = 1240488848.

The previous prime is 3101222129. The next prime is 3101222147. The reversal of 3101222140 is 412221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101222147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77530534 + ... + 77530573.

It is an arithmetic number, because the mean of its divisors is an integer number (542713878).

Almost surely, 2^3101222140 is an apocalyptic number.

It is an amenable number.

3101222140 is an abundant number, since it is smaller than the sum of its proper divisors (3411344396).

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

3101222140 is a wasteful number, since it uses less digits than its factorization.

3101222140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155061116 (or 155061114 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3101222140 is about 55688.6176879980. The cubic root of 3101222140 is about 1458.2913237713.

Adding to 3101222140 its reverse (412221013), we get a palindrome (3513443153).

The spelling of 3101222140 in words is "three billion, one hundred one million, two hundred twenty-two thousand, one hundred forty".