402434131101 has 4 divisors (see below), whose sum is σ = 536578841472. Its totient is φ = 268289420732.

The previous prime is 402434131097. The next prime is 402434131163. The reversal of 402434131101 is 101131434204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402434131101 - 2² = 402434131097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402434131171) 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, 67072355181 + ... + 67072355186.

It is an arithmetic number, because the mean of its divisors is an integer number (134144710368).

Almost surely, 2^402434131101 is an apocalyptic number.

It is an amenable number.

402434131101 is a deficient number, since it is larger than the sum of its proper divisors (134144710371).

402434131101 is a wasteful number, since it uses less digits than its factorization.

402434131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134144710370.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 402434131101 its reverse (101131434204), we get a palindrome (503565565305).

The spelling of 402434131101 in words is "four hundred two billion, four hundred thirty-four million, one hundred thirty-one thousand, one hundred one".