2031007121 has 16 divisors (see below), whose sum is σ = 2387491008. Its totient is φ = 1703332800.

The previous prime is 2031007079. The next prime is 2031007127. The reversal of 2031007121 is 1217001302.

It is not a de Polignac number, because 2031007121 - 2⁶ = 2031007057 is a prime.

It is a super-3 number, since 3×2031007121³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031007121.

It is not an unprimeable number, because it can be changed into a prime (2031007127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331730 + ... + 337796.

It is an arithmetic number, because the mean of its divisors is an integer number (149218188).

Almost surely, 2^2031007121 is an apocalyptic number.

It is an amenable number.

2031007121 is a deficient number, since it is larger than the sum of its proper divisors (356483887).

2031007121 is a wasteful number, since it uses less digits than its factorization.

2031007121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8432.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 2031007121 is about 45066.6963621697. The cubic root of 2031007121 is about 1266.3987758108.

Adding to 2031007121 its reverse (1217001302), we get a palindrome (3248008423).

The spelling of 2031007121 in words is "two billion, thirty-one million, seven thousand, one hundred twenty-one".