402031051351 has 4 divisors (see below), whose sum is σ = 408031514872. Its totient is φ = 396030587832.

The previous prime is 402031051291. The next prime is 402031051369. The reversal of 402031051351 is 153150130204.

It is a happy number.

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

It is not a de Polignac number, because 402031051351 - 2⁷ = 402031051223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402031051951) 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, 3000231660 + ... + 3000231793.

It is an arithmetic number, because the mean of its divisors is an integer number (102007878718).

Almost surely, 2^402031051351 is an apocalyptic number.

402031051351 is a deficient number, since it is larger than the sum of its proper divisors (6000463521).

402031051351 is an equidigital number, since it uses as much as digits as its factorization.

402031051351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000463520.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 402031051351 its reverse (153150130204), we get a palindrome (555181181555).

The spelling of 402031051351 in words is "four hundred two billion, thirty-one million, fifty-one thousand, three hundred fifty-one".