130402331434 has 4 divisors (see below), whose sum is σ = 195603497154. Its totient is φ = 65201165716.

The previous prime is 130402331431. The next prime is 130402331447. The reversal of 130402331434 is 434133204031.

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., 113503631409 + 16898700025 = 336903^2 + 129995^2 .

It is not an unprimeable number, because it can be changed into a prime (130402331431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32600582857 + ... + 32600582860.

Almost surely, 2^130402331434 is an apocalyptic number.

130402331434 is a deficient number, since it is larger than the sum of its proper divisors (65201165720).

130402331434 is an equidigital number, since it uses as much as digits as its factorization.

130402331434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65201165719.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 130402331434 its reverse (434133204031), we get a palindrome (564535535465).

The spelling of 130402331434 in words is "one hundred thirty billion, four hundred two million, three hundred thirty-one thousand, four hundred thirty-four".