91130150431 has 8 divisors (see below), whose sum is σ = 91410802560. Its totient is φ = 90849931032.

The previous prime is 91130150407. The next prime is 91130150483. The reversal of 91130150431 is 13405103119.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91130150431 - 2¹¹ = 91130148383 is a prime.

It is a super-2 number, since 2×91130150431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91130150431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91130150491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316206 + ... + 531268.

It is an arithmetic number, because the mean of its divisors is an integer number (11426350320).

Almost surely, 2^91130150431 is an apocalyptic number.

91130150431 is a deficient number, since it is larger than the sum of its proper divisors (280652129).

91130150431 is a wasteful number, since it uses less digits than its factorization.

91130150431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216365.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 91130150431 in words is "ninety-one billion, one hundred thirty million, one hundred fifty thousand, four hundred thirty-one".