131711028628 has 12 divisors (see below), whose sum is σ = 230831778240. Its totient is φ = 65759091992.

The previous prime is 131711028599. The next prime is 131711028641. The reversal of 131711028628 is 826820117131.

It is a congruent number.

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, 24102508 + ... + 24107971.

It is an arithmetic number, because the mean of its divisors is an integer number (19235981520).

Almost surely, 2^131711028628 is an apocalyptic number.

It is an amenable number.

131711028628 is a deficient number, since it is larger than the sum of its proper divisors (99120749612).

131711028628 is a wasteful number, since it uses less digits than its factorization.

131711028628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48211166 (or 48211164 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The spelling of 131711028628 in words is "one hundred thirty-one billion, seven hundred eleven million, twenty-eight thousand, six hundred twenty-eight".