2152031101 has 12 divisors (see below), whose sum is σ = 2447027100. Its totient is φ = 1888927040.

The previous prime is 2152031093. The next prime is 2152031117. The reversal of 2152031101 is 1011302512.

It can be written as a sum of positive squares in 2 ways, for example, as 1365228601 + 786802500 = 36949^2 + 28050^2 .

It is not a de Polignac number, because 2152031101 - 2³ = 2152031093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152031171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303136 + ... + 310153.

It is an arithmetic number, because the mean of its divisors is an integer number (203918925).

Almost surely, 2^2152031101 is an apocalyptic number.

It is an amenable number.

2152031101 is a deficient number, since it is larger than the sum of its proper divisors (294995999).

2152031101 is a wasteful number, since it uses less digits than its factorization.

2152031101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613340 (or 613329 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 2152031101 is about 46389.9892325920. The cubic root of 2152031101 is about 1291.0691816977.

Adding to 2152031101 its reverse (1011302512), we get a palindrome (3163333613).

The spelling of 2152031101 in words is "two billion, one hundred fifty-two million, thirty-one thousand, one hundred one".