200031401 has 8 divisors (see below), whose sum is σ = 212223240. Its totient is φ = 187886848.

The previous prime is 200031379. The next prime is 200031407. The reversal of 200031401 is 104130002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21114025 + 178917376 = 4595^2 + 13376^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200031401 is a prime.

It is a super-2 number, since 2×200031401² = 80025122772045602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200031407) 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, 2906 + ... + 20211.

It is an arithmetic number, because the mean of its divisors is an integer number (26527905).

Almost surely, 2^200031401 is an apocalyptic number.

It is an amenable number.

200031401 is a deficient number, since it is larger than the sum of its proper divisors (12191839).

200031401 is a wasteful number, since it uses less digits than its factorization.

200031401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23643.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 200031401 is about 14143.2457731597. The cubic root of 200031401 is about 584.8341517346.

Adding to 200031401 its reverse (104130002), we get a palindrome (304161403).

The spelling of 200031401 in words is "two hundred million, thirty-one thousand, four hundred one".