89801031 has 4 divisors (see below), whose sum is σ = 119734712. Its totient is φ = 59867352.

The previous prime is 89800981. The next prime is 89801051. The reversal of 89801031 is 13010898.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 89801031 - 2⁷ = 89800903 is a prime.

It is a super-2 number, since 2×89801031² = 16128450337325922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89801031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89801051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14966836 + ... + 14966841.

It is an arithmetic number, because the mean of its divisors is an integer number (29933678).

Almost surely, 2^89801031 is an apocalyptic number.

89801031 is a deficient number, since it is larger than the sum of its proper divisors (29933681).

89801031 is a wasteful number, since it uses less digits than its factorization.

89801031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29933680.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 89801031 is about 9476.3405911776. The cubic root of 89801031 is about 447.8099863173.

It can be divided in two parts, 8980 and 1031, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 89801031 in words is "eighty-nine million, eight hundred one thousand, thirty-one".