988131113 has 2 divisors, whose sum is σ = 988131114. Its totient is φ = 988131112.

The previous prime is 988131101. The next prime is 988131121. The reversal of 988131113 is 311131889.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764688409 + 223442704 = 27653^2 + 14948^2 .

It is a cyclic number.

It is not a de Polignac number, because 988131113 - 2⁴ = 988131097 is a prime.

It is not a weakly prime, because it can be changed into another prime (988131163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494065556 + 494065557.

It is an arithmetic number, because the mean of its divisors is an integer number (494065557).

Almost surely, 2^988131113 is an apocalyptic number.

It is an amenable number.

988131113 is a deficient number, since it is larger than the sum of its proper divisors (1).

988131113 is an equidigital number, since it uses as much as digits as its factorization.

988131113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 35.

The square root of 988131113 is about 31434.5528519176. The cubic root of 988131113 is about 996.0279480257.

The spelling of 988131113 in words is "nine hundred eighty-eight million, one hundred thirty-one thousand, one hundred thirteen".