402224343131 has 12 divisors (see below), whose sum is σ = 436063980240. Its totient is φ = 370841346720.

The previous prime is 402224343047. The next prime is 402224343221. The reversal of 402224343131 is 131343422204.

It is not a de Polignac number, because 402224343131 - 2²⁶ = 402157234267 is a prime.

It is a super-2 number, since 2×402224343131² (a number of 24 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 = 402224343094 and 402224343103.

It is not an unprimeable number, because it can be changed into a prime (402224343331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276580 + ... + 1560161.

It is an arithmetic number, because the mean of its divisors is an integer number (36338665020).

Almost surely, 2^402224343131 is an apocalyptic number.

402224343131 is a deficient number, since it is larger than the sum of its proper divisors (33839637109).

402224343131 is a wasteful number, since it uses less digits than its factorization.

402224343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837606 (or 2837593 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 402224343131 its reverse (131343422204), we get a palindrome (533567765335).

The spelling of 402224343131 in words is "four hundred two billion, two hundred twenty-four million, three hundred forty-three thousand, one hundred thirty-one".