91314210213240 has 128 divisors (see below), whose sum is σ = 314387239680000. Its totient is φ = 20784489643008.

The previous prime is 91314210213211. The next prime is 91314210213329. The reversal of 91314210213240 is 4231201241319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227220565 + ... + 227622084.

It is an arithmetic number, because the mean of its divisors is an integer number (2456150310000).

Almost surely, 2^{91314210213240} is an apocalyptic number.

It is an amenable number.

91314210213240 is an abundant number, since it is smaller than the sum of its proper divisors (223073029466760).

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

91314210213240 is a wasteful number, since it uses less digits than its factorization.

91314210213240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454842909 (or 454842905 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 91314210213240 its reverse (4231201241319), we get a palindrome (95545411454559).

The spelling of 91314210213240 in words is "ninety-one trillion, three hundred fourteen billion, two hundred ten million, two hundred thirteen thousand, two hundred forty".