1031397280397 has 8 divisors (see below), whose sum is σ = 1125193174560. Its totient is φ = 937606803760.

The previous prime is 1031397280379. The next prime is 1031397280447. The reversal of 1031397280397 is 7930827931301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031397280397 - 2⁸ = 1031397280141 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 (1031397280297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951083 + ... + 1722600.

It is an arithmetic number, because the mean of its divisors is an integer number (140649146820).

Almost surely, 2^{1031397280397} is an apocalyptic number.

It is an amenable number.

1031397280397 is a deficient number, since it is larger than the sum of its proper divisors (93795894163).

1031397280397 is a wasteful number, since it uses less digits than its factorization.

1031397280397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2708763.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 1031397280397 in words is "one trillion, thirty-one billion, three hundred ninety-seven million, two hundred eighty thousand, three hundred ninety-seven".