10400131207 has 4 divisors (see below), whose sum is σ = 10409443096. Its totient is φ = 10390819320.

The previous prime is 10400131187. The next prime is 10400131211. The reversal of 10400131207 is 70213100401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10400131207 - 2²⁷ = 10265913479 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 (10400131267) 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, 4654269 + ... + 4656502.

It is an arithmetic number, because the mean of its divisors is an integer number (2602360774).

Almost surely, 2^10400131207 is an apocalyptic number.

10400131207 is a deficient number, since it is larger than the sum of its proper divisors (9311889).

10400131207 is an equidigital number, since it uses as much as digits as its factorization.

10400131207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9311888.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 10400131207 its reverse (70213100401), we get a palindrome (80613231608).

The spelling of 10400131207 in words is "ten billion, four hundred million, one hundred thirty-one thousand, two hundred seven".