2214331531 has 2 divisors, whose sum is σ = 2214331532. Its totient is φ = 2214331530.

The previous prime is 2214331523. The next prime is 2214331543. The reversal of 2214331531 is 1351334122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2214331531 - 2³ = 2214331523 is a prime.

It is a super-2 number, since 2×2214331531² = 9806528258361607922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2214331496 and 2214331505.

It is not a weakly prime, because it can be changed into another prime (2214331501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107165765 + 1107165766.

It is an arithmetic number, because the mean of its divisors is an integer number (1107165766).

It is a self-describing number.

Almost surely, 2^2214331531 is an apocalyptic number.

2214331531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214331531 is an equidigital number, since it uses as much as digits as its factorization.

2214331531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 2214331531 is about 47056.6842329546. The cubic root of 2214331531 is about 1303.4094980524.

Adding to 2214331531 its reverse (1351334122), we get a palindrome (3565665653).

The spelling of 2214331531 in words is "two billion, two hundred fourteen million, three hundred thirty-one thousand, five hundred thirty-one".