2031121052 has 24 divisors (see below), whose sum is σ = 3752187600. Its totient is φ = 959371776.

The previous prime is 2031121051. The next prime is 2031121061. The reversal of 2031121052 is 2501211302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031121052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031121051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11027 + ... + 64682.

It is an arithmetic number, because the mean of its divisors is an integer number (156341150).

Almost surely, 2^2031121052 is an apocalyptic number.

It is an amenable number.

2031121052 is a deficient number, since it is larger than the sum of its proper divisors (1721066548).

2031121052 is a wasteful number, since it uses less digits than its factorization.

2031121052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76085 (or 76083 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2031121052 is about 45067.9603709775. The cubic root of 2031121052 is about 1266.4224552586.

Adding to 2031121052 its reverse (2501211302), we get a palindrome (4532332354).

The spelling of 2031121052 in words is "two billion, thirty-one million, one hundred twenty-one thousand, fifty-two".