3101161620 has 48 divisors (see below), whose sum is σ = 8709075648. Its totient is φ = 824517120.

The previous prime is 3101161577. The next prime is 3101161631. The reversal of 3101161620 is 261611013.

It is a super-2 number, since 2×3101161620² = 19234406786722048800, which contains 22 as substring.

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, 56466 + ... + 96905.

It is an arithmetic number, because the mean of its divisors is an integer number (181439076).

Almost surely, 2^3101161620 is an apocalyptic number.

3101161620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3101161620 is an abundant number, since it is smaller than the sum of its proper divisors (5607914028).

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

3101161620 is a wasteful number, since it uses less digits than its factorization.

3101161620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153720 (or 153718 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 3101161620 is about 55688.0743068029. The cubic root of 3101161620 is about 1458.2818375794.

Adding to 3101161620 its reverse (261611013), we get a palindrome (3362772633).

The spelling of 3101161620 in words is "three billion, one hundred one million, one hundred sixty-one thousand, six hundred twenty".