35131980 has 96 divisors (see below), whose sum is σ = 107561664. Its totient is φ = 8515584.

The previous prime is 35131939. The next prime is 35131997. The reversal of 35131980 is 8913153.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56632 + ... + 57248.

It is an arithmetic number, because the mean of its divisors is an integer number (1120434).

Almost surely, 2^35131980 is an apocalyptic number.

35131980 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 35131980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53780832).

35131980 is an abundant number, since it is smaller than the sum of its proper divisors (72429684).

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

35131980 is a wasteful number, since it uses less digits than its factorization.

35131980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 35131980 is about 5927.2236333717. The cubic root of 35131980 is about 327.5172727521.

The spelling of 35131980 in words is "thirty-five million, one hundred thirty-one thousand, nine hundred eighty".