1097471031 has 16 divisors (see below), whose sum is σ = 1471841280. Its totient is φ = 727385120.

The previous prime is 1097471003. The next prime is 1097471047. The reversal of 1097471031 is 1301747901.

It is a cyclic number.

It is not a de Polignac number, because 1097471031 - 2¹⁸ = 1097208887 is a prime.

It is a super-2 number, since 2×1097471031² = 2408885327768405922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1097470983 and 1097471001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097471051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725566 + ... + 727076.

It is an arithmetic number, because the mean of its divisors is an integer number (91990080).

Almost surely, 2^1097471031 is an apocalyptic number.

1097471031 is a deficient number, since it is larger than the sum of its proper divisors (374370249).

1097471031 is a wasteful number, since it uses less digits than its factorization.

1097471031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 1097471031 is about 33128.1003228377. The cubic root of 1097471031 is about 1031.4884161781.

The spelling of 1097471031 in words is "one billion, ninety-seven million, four hundred seventy-one thousand, thirty-one".