401432313 has 4 divisors (see below), whose sum is σ = 535243088. Its totient is φ = 267621540.

The previous prime is 401432293. The next prime is 401432327. The reversal of 401432313 is 313234104.

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 not a de Polignac number, because 401432313 - 2⁵ = 401432281 is a prime.

It is a super-2 number, since 2×401432313² = 322295803841059938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401432313.

It is not an unprimeable number, because it can be changed into a prime (401431313) 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, 66905383 + ... + 66905388.

It is an arithmetic number, because the mean of its divisors is an integer number (133810772).

Almost surely, 2^401432313 is an apocalyptic number.

It is an amenable number.

401432313 is a deficient number, since it is larger than the sum of its proper divisors (133810775).

401432313 is a wasteful number, since it uses less digits than its factorization.

401432313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133810774.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 401432313 is about 20035.7758272546. The cubic root of 401432313 is about 737.6846998090.

Adding to 401432313 its reverse (313234104), we get a palindrome (714666417).

The spelling of 401432313 in words is "four hundred one million, four hundred thirty-two thousand, three hundred thirteen".