35131212064 has 24 divisors (see below), whose sum is σ = 74484926460. Its totient is φ = 16214405376.

The previous prime is 35131212031. The next prime is 35131212101. The reversal of 35131212064 is 46021213153.

It can be written as a sum of positive squares in 2 ways, for example, as 27586552464 + 7544659600 = 166092^2 + 86860^2 .

It is a super-2 number, since 2×35131212064² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42224599 + ... + 42225430.

Almost surely, 2^35131212064 is an apocalyptic number.

It is an amenable number.

35131212064 is an abundant number, since it is smaller than the sum of its proper divisors (39353714396).

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

35131212064 is a wasteful number, since it uses less digits than its factorization.

35131212064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84450052 (or 84450044 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 35131212064 in words is "thirty-five billion, one hundred thirty-one million, two hundred twelve thousand, sixty-four".