88213831 has 2 divisors, whose sum is σ = 88213832. Its totient is φ = 88213830.

The previous prime is 88213793. The next prime is 88213841. The reversal of 88213831 is 13831288.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 88213831 - 2¹⁷ = 88082759 is a prime.

It is a super-2 number, since 2×88213831² = 15563359959393122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88213841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44106915 + 44106916.

It is an arithmetic number, because the mean of its divisors is an integer number (44106916).

Almost surely, 2^88213831 is an apocalyptic number.

88213831 is a deficient number, since it is larger than the sum of its proper divisors (1).

88213831 is an equidigital number, since it uses as much as digits as its factorization.

88213831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The square root of 88213831 is about 9392.2218351144. The cubic root of 88213831 is about 445.1559963122.

The spelling of 88213831 in words is "eighty-eight million, two hundred thirteen thousand, eight hundred thirty-one".