11406031397 has 2 divisors, whose sum is σ = 11406031398. Its totient is φ = 11406031396.

The previous prime is 11406031337. The next prime is 11406031409. The reversal of 11406031397 is 79313060411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10899151201 + 506880196 = 104399^2 + 22514^2 .

It is a cyclic number.

It is not a de Polignac number, because 11406031397 - 2⁶ = 11406031333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11406031337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5703015698 + 5703015699.

It is an arithmetic number, because the mean of its divisors is an integer number (5703015699).

Almost surely, 2^11406031397 is an apocalyptic number.

It is an amenable number.

11406031397 is a deficient number, since it is larger than the sum of its proper divisors (1).

11406031397 is an equidigital number, since it uses as much as digits as its factorization.

11406031397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 11406031397 in words is "eleven billion, four hundred six million, thirty-one thousand, three hundred ninety-seven".