31226545716090 has 32 divisors (see below), whose sum is σ = 78888115494720. Its totient is φ = 7888811549184.

The previous prime is 31226545716089. The next prime is 31226545716097. The reversal of 31226545716090 is 9061754562213.

It is not an unprimeable number, because it can be changed into a prime (31226545716097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27391706199 + ... + 27391707338.

It is an arithmetic number, because the mean of its divisors is an integer number (2465253609210).

Almost surely, 2^{31226545716090} is an apocalyptic number.

31226545716090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31226545716090 is an abundant number, since it is smaller than the sum of its proper divisors (47661569778630).

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

31226545716090 is a wasteful number, since it uses less digits than its factorization.

31226545716090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54783413566.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 31226545716090 in words is "thirty-one trillion, two hundred twenty-six billion, five hundred forty-five million, seven hundred sixteen thousand, ninety".