3161155000 has 40 divisors (see below), whose sum is σ = 7406597880. Its totient is φ = 1264460000.

The previous prime is 3161154973. The next prime is 3161155003. The reversal of 3161155000 is 5511613.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161155003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 311116 + ... + 321115.

It is an arithmetic number, because the mean of its divisors is an integer number (185164947).

Almost surely, 2^3161155000 is an apocalyptic number.

It is an amenable number.

3161155000 is an abundant number, since it is smaller than the sum of its proper divisors (4245442880).

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

3161155000 is an equidigital number, since it uses as much as digits as its factorization.

3161155000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632257 (or 632238 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 3161155000 is about 56224.1496156234. The cubic root of 3161155000 is about 1467.6255494995.

Adding to 3161155000 its reverse (5511613), we get a palindrome (3166666613).

The spelling of 3161155000 in words is "three billion, one hundred sixty-one million, one hundred fifty-five thousand".