11311010223397 has 4 divisors (see below), whose sum is σ = 11361732242560. Its totient is φ = 11260288204236.

The previous prime is 11311010223377. The next prime is 11311010223473. The reversal of 11311010223397 is 79332201011311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11311010223397 - 2⁷ = 11311010223269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311010223307) 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, 25361009247 + ... + 25361009692.

It is an arithmetic number, because the mean of its divisors is an integer number (2840433060640).

Almost surely, 2^{11311010223397} is an apocalyptic number.

It is an amenable number.

11311010223397 is a deficient number, since it is larger than the sum of its proper divisors (50722019163).

11311010223397 is an equidigital number, since it uses as much as digits as its factorization.

11311010223397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50722019162.

The product of its (nonzero) digits is 6804, while the sum is 34.

The spelling of 11311010223397 in words is "eleven trillion, three hundred eleven billion, ten million, two hundred twenty-three thousand, three hundred ninety-seven".