2171140431 has 32 divisors (see below), whose sum is σ = 3244550400. Its totient is φ = 1283351040.

The previous prime is 2171140417. The next prime is 2171140451. The reversal of 2171140431 is 1340411712.

2171140431 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2171140431 - 2¹⁴ = 2171124047 is a prime.

It is a super-2 number, since 2×2171140431² = 9427701542245731522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171140451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169200 + ... + 181578.

It is an arithmetic number, because the mean of its divisors is an integer number (101392200).

Almost surely, 2^2171140431 is an apocalyptic number.

2171140431 is a deficient number, since it is larger than the sum of its proper divisors (1073409969).

2171140431 is a wasteful number, since it uses less digits than its factorization.

2171140431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12599.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2171140431 is about 46595.4979692245. The cubic root of 2171140431 is about 1294.8793497314.

The spelling of 2171140431 in words is "two billion, one hundred seventy-one million, one hundred forty thousand, four hundred thirty-one".