2031055145 has 24 divisors (see below), whose sum is σ = 2842259400. Its totient is φ = 1389249792.

The previous prime is 2031055123. The next prime is 2031055151. The reversal of 2031055145 is 5415501302.

It can be written as a sum of positive squares in 4 ways, for example, as 862714384 + 1168340761 = 29372^2 + 34181^2 .

It is not a de Polignac number, because 2031055145 - 2¹² = 2031051049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90071 + ... + 110339.

It is an arithmetic number, because the mean of its divisors is an integer number (118427475).

Almost surely, 2^2031055145 is an apocalyptic number.

It is an amenable number.

2031055145 is a deficient number, since it is larger than the sum of its proper divisors (811204255).

2031055145 is a wasteful number, since it uses less digits than its factorization.

2031055145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20697 (or 20690 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2031055145 is about 45067.2291693199. The cubic root of 2031055145 is about 1266.4087572391.

Adding to 2031055145 its reverse (5415501302), we get a palindrome (7446556447).

The spelling of 2031055145 in words is "two billion, thirty-one million, fifty-five thousand, one hundred forty-five".