2142554231 has 2 divisors, whose sum is σ = 2142554232. Its totient is φ = 2142554230.

The previous prime is 2142554147. The next prime is 2142554257. The reversal of 2142554231 is 1324552412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142554231 - 2¹⁰ = 2142553207 is a prime.

It is a super-2 number, since 2×2142554231² = 9181077265552002722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142554194 and 2142554203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142554131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071277115 + 1071277116.

It is an arithmetic number, because the mean of its divisors is an integer number (1071277116).

Almost surely, 2^2142554231 is an apocalyptic number.

2142554231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142554231 is an equidigital number, since it uses as much as digits as its factorization.

2142554231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 29.

The square root of 2142554231 is about 46287.7330509931. The cubic root of 2142554231 is about 1289.1712384023.

The spelling of 2142554231 in words is "two billion, one hundred forty-two million, five hundred fifty-four thousand, two hundred thirty-one".