988489131 has 32 divisors (see below), whose sum is σ = 1564243968. Its totient is φ = 543490560.

The previous prime is 988489129. The next prime is 988489141. The reversal of 988489131 is 131984889.

It is not a de Polignac number, because 988489131 - 2¹ = 988489129 is a prime.

It is a super-2 number, since 2×988489131² = 1954221524210270322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (988489141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54990 + ... + 70716.

It is an arithmetic number, because the mean of its divisors is an integer number (48882624).

Almost surely, 2^988489131 is an apocalyptic number.

988489131 is a deficient number, since it is larger than the sum of its proper divisors (575754837).

988489131 is a wasteful number, since it uses less digits than its factorization.

988489131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15851.

The product of its digits is 497664, while the sum is 51.

The square root of 988489131 is about 31440.2469933046. The cubic root of 988489131 is about 996.1482265565.

The spelling of 988489131 in words is "nine hundred eighty-eight million, four hundred eighty-nine thousand, one hundred thirty-one".