101430031042402 has 4 divisors (see below), whose sum is σ = 152145046563606. Its totient is φ = 50715015521200.

The previous prime is 101430031042399. The next prime is 101430031042427. The reversal of 101430031042402 is 204240130034101.

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., 101344871546361 + 85159496041 = 10067019^2 + 291821^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25357507760599 + ... + 25357507760602.

Almost surely, 2^{101430031042402} is an apocalyptic number.

101430031042402 is a deficient number, since it is larger than the sum of its proper divisors (50715015521204).

101430031042402 is an equidigital number, since it uses as much as digits as its factorization.

101430031042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50715015521203.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 101430031042402 its reverse (204240130034101), we get a palindrome (305670161076503).

The spelling of 101430031042402 in words is "one hundred one trillion, four hundred thirty billion, thirty-one million, forty-two thousand, four hundred two".