200402220031 has 4 divisors (see below), whose sum is σ = 215817775432. Its totient is φ = 184986664632.

The previous prime is 200402219989. The next prime is 200402220059. The reversal of 200402220031 is 130022204002.

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 200402220031 - 2¹⁹ = 200401695743 is a prime.

It is a super-2 number, since 2×200402220031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200402219987 and 200402220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200402220061) 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, 7707777681 + ... + 7707777706.

It is an arithmetic number, because the mean of its divisors is an integer number (53954443858).

Almost surely, 2^200402220031 is an apocalyptic number.

200402220031 is a deficient number, since it is larger than the sum of its proper divisors (15415555401).

200402220031 is a wasteful number, since it uses less digits than its factorization.

200402220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15415555400.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 200402220031 its reverse (130022204002), we get a palindrome (330424424033).

The spelling of 200402220031 in words is "two hundred billion, four hundred two million, two hundred twenty thousand, thirty-one".