131650353650 has 24 divisors (see below), whose sum is σ = 259273756980. Its totient is φ = 49562485760.

The previous prime is 131650353629. The next prime is 131650353671. The reversal of 131650353650 is 56353056131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131650353629) and next prime (131650353671).

It can be written as a sum of positive squares in 6 ways, for example, as 35772804769 + 95877548881 = 189137^2 + 309641^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77440535 + ... + 77442234.

Almost surely, 2^131650353650 is an apocalyptic number.

131650353650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131650353650 is a deficient number, since it is larger than the sum of its proper divisors (127623403330).

131650353650 is a wasteful number, since it uses less digits than its factorization.

131650353650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154882798 (or 154882793 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 131650353650 in words is "one hundred thirty-one billion, six hundred fifty million, three hundred fifty-three thousand, six hundred fifty".