2315420251042 has 16 divisors (see below), whose sum is σ = 3483122748480. Its totient is φ = 1154384119152.

The previous prime is 2315420251007. The next prime is 2315420251043. The reversal of 2315420251042 is 2401520245132.

It is a happy number.

It is a super-2 number, since 2×2315420251042² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2315420250995 and 2315420251013.

It is not an unprimeable number, because it can be changed into a prime (2315420251043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226878 + ... + 2163865.

It is an arithmetic number, because the mean of its divisors is an integer number (217695171780).

Almost surely, 2^{2315420251042} is an apocalyptic number.

2315420251042 is a deficient number, since it is larger than the sum of its proper divisors (1167702497438).

2315420251042 is a wasteful number, since it uses less digits than its factorization.

2315420251042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2392137.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 2315420251042 its reverse (2401520245132), we get a palindrome (4716940496174).

The spelling of 2315420251042 in words is "two trillion, three hundred fifteen billion, four hundred twenty million, two hundred fifty-one thousand, forty-two".