401312002 has 16 divisors (see below), whose sum is σ = 740884032. Its totient is φ = 158760720.

The previous prime is 401311993. The next prime is 401312017. The reversal of 401312002 is 200213104.

It is a super-2 number, since 2×401312002² = 322102645898496008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102324 + ... + 1102687.

It is an arithmetic number, because the mean of its divisors is an integer number (46305252).

Almost surely, 2^401312002 is an apocalyptic number.

401312002 is a deficient number, since it is larger than the sum of its proper divisors (339572030).

401312002 is a wasteful number, since it uses less digits than its factorization.

401312002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205033.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 401312002 is about 20032.7731979374. The cubic root of 401312002 is about 737.6109966807.

Adding to 401312002 its reverse (200213104), we get a palindrome (601525106).

The spelling of 401312002 in words is "four hundred one million, three hundred twelve thousand, two".