401310130402 has 4 divisors (see below), whose sum is σ = 601965195606. Its totient is φ = 200655065200.

The previous prime is 401310130393. The next prime is 401310130427. The reversal of 401310130402 is 204031013104.

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

It can be written as a sum of positive squares in only one way, i.e., 397012147921 + 4297982481 = 630089^2 + 65559^2 .

It is a super-2 number, since 2×401310130402² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401310130402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100327532599 + ... + 100327532602.

Almost surely, 2^401310130402 is an apocalyptic number.

401310130402 is a deficient number, since it is larger than the sum of its proper divisors (200655065204).

401310130402 is a wasteful number, since it uses less digits than its factorization.

401310130402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200655065203.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 401310130402 its reverse (204031013104), we get a palindrome (605341143506).

The spelling of 401310130402 in words is "four hundred one billion, three hundred ten million, one hundred thirty thousand, four hundred two".