42103253025331 has 4 divisors (see below), whose sum is σ = 42213183190272. Its totient is φ = 41993322860392.

The previous prime is 42103253025277. The next prime is 42103253025343. The reversal of 42103253025331 is 13352035230124.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42103253025331 is a prime.

It is a super-2 number, since 2×42103253025331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42103253095331) 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, 54965081896 + ... + 54965082661.

It is an arithmetic number, because the mean of its divisors is an integer number (10553295797568).

Almost surely, 2^{42103253025331} is an apocalyptic number.

42103253025331 is a deficient number, since it is larger than the sum of its proper divisors (109930164941).

42103253025331 is a wasteful number, since it uses less digits than its factorization.

42103253025331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109930164940.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 42103253025331 its reverse (13352035230124), we get a palindrome (55455288255455).

The spelling of 42103253025331 in words is "forty-two trillion, one hundred three billion, two hundred fifty-three million, twenty-five thousand, three hundred thirty-one".