117431262 has 48 divisors (see below), whose sum is σ = 281720880. Its totient is φ = 36044352.

The previous prime is 117431243. The next prime is 117431263. The reversal of 117431262 is 262134711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117431263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286914 + ... + 287322.

It is an arithmetic number, because the mean of its divisors is an integer number (5869185).

Almost surely, 2^117431262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117431262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140860440).

117431262 is an abundant number, since it is smaller than the sum of its proper divisors (164289618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117431262 is an equidigital number, since it uses as much as digits as its factorization.

117431262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842 (or 427 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 117431262 is about 10836.5705829843. The cubic root of 117431262 is about 489.6975253867.

Adding to 117431262 its reverse (262134711), we get a palindrome (379565973).

The spelling of 117431262 in words is "one hundred seventeen million, four hundred thirty-one thousand, two hundred sixty-two".