213514031 has 2 divisors, whose sum is σ = 213514032. Its totient is φ = 213514030.

The previous prime is 213514003. The next prime is 213514061. The reversal of 213514031 is 130415312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213514031 - 2²⁶ = 146405167 is a prime.

It is a super-2 number, since 2×213514031² = 91176482867737922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213513994 and 213514012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213514061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106757015 + 106757016.

It is an arithmetic number, because the mean of its divisors is an integer number (106757016).

Almost surely, 2^213514031 is an apocalyptic number.

213514031 is a deficient number, since it is larger than the sum of its proper divisors (1).

213514031 is an equidigital number, since it uses as much as digits as its factorization.

213514031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 213514031 is about 14612.1193192500. The cubic root of 213514031 is about 597.6892893025.

Adding to 213514031 its reverse (130415312), we get a palindrome (343929343).

The spelling of 213514031 in words is "two hundred thirteen million, five hundred fourteen thousand, thirty-one".