650388132131 has 4 divisors (see below), whose sum is σ = 656143779432. Its totient is φ = 644632484832.

The previous prime is 650388132127. The next prime is 650388132139. The reversal of 650388132131 is 131231883056.

650388132131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 650388132131 - 2² = 650388132127 is a prime.

It is a super-2 number, since 2×650388132131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650388132139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2877823481 + ... + 2877823706.

It is an arithmetic number, because the mean of its divisors is an integer number (164035944858).

Almost surely, 2^650388132131 is an apocalyptic number.

650388132131 is a deficient number, since it is larger than the sum of its proper divisors (5755647301).

650388132131 is a wasteful number, since it uses less digits than its factorization.

650388132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5755647300.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 650388132131 in words is "six hundred fifty billion, three hundred eighty-eight million, one hundred thirty-two thousand, one hundred thirty-one".