31341960 has 192 divisors, whose sum is σ = 113284080. Its totient is φ = 7464960.

The previous prime is 31341943. The next prime is 31341971. The reversal of 31341960 is 6914313.

It can be written as a sum of positive squares in 8 ways, for example, as 4901796 + 26440164 = 2214^2 + 5142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 173070 + ... + 173250.

Almost surely, 2^31341960 is an apocalyptic number.

31341960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31341960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56642040).

31341960 is an abundant number, since it is smaller than the sum of its proper divisors (81942120).

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

31341960 is a wasteful number, since it uses less digits than its factorization.

31341960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 31341960 is about 5598.3890540047. The cubic root of 31341960 is about 315.2889261405.

The spelling of 31341960 in words is "thirty-one million, three hundred forty-one thousand, nine hundred sixty".