1097311001 has 4 divisors (see below), whose sum is σ = 1107566352. Its totient is φ = 1087055652.

The previous prime is 1097310997. The next prime is 1097311031. The reversal of 1097311001 is 1001137901.

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 1097311001 - 2² = 1097310997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097311031) 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, 5127515 + ... + 5127728.

It is an arithmetic number, because the mean of its divisors is an integer number (276891588).

Almost surely, 2^1097311001 is an apocalyptic number.

It is an amenable number.

1097311001 is a deficient number, since it is larger than the sum of its proper divisors (10255351).

1097311001 is a wasteful number, since it uses less digits than its factorization.

1097311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10255350.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 1097311001 is about 33125.6849136739. The cubic root of 1097311001 is about 1031.4382775380.

Adding to 1097311001 its reverse (1001137901), we get a palindrome (2098448902).

The spelling of 1097311001 in words is "one billion, ninety-seven million, three hundred eleven thousand, one".