2031211457 has 16 divisors (see below), whose sum is σ = 2249828352. Its totient is φ = 1818472320.

The previous prime is 2031211447. The next prime is 2031211471. The reversal of 2031211457 is 7541121302.

It is a cyclic number.

It is not a de Polignac number, because 2031211457 - 2⁸ = 2031211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031211447) 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, 186083 + ... + 196695.

It is an arithmetic number, because the mean of its divisors is an integer number (140614272).

Almost surely, 2^2031211457 is an apocalyptic number.

It is an amenable number.

2031211457 is a deficient number, since it is larger than the sum of its proper divisors (218616895).

2031211457 is a wasteful number, since it uses less digits than its factorization.

2031211457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10888.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2031211457 is about 45068.9633450782. The cubic root of 2031211457 is about 1266.4412444265.

Adding to 2031211457 its reverse (7541121302), we get a palindrome (9572332759).

The spelling of 2031211457 in words is "two billion, thirty-one million, two hundred eleven thousand, four hundred fifty-seven".