2145242413131 has 8 divisors (see below), whose sum is σ = 2860550584320. Its totient is φ = 1430047925352.

The previous prime is 2145242413121. The next prime is 2145242413133. The reversal of 2145242413131 is 1313142425412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2145242413131 - 2⁵ = 2145242413099 is a prime.

It is a super-2 number, since 2×2145242413131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2145242413092 and 2145242413101.

It is not an unprimeable number, because it can be changed into a prime (2145242413133) 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, 28376811 + ... + 28452308.

It is an arithmetic number, because the mean of its divisors is an integer number (357568823040).

Almost surely, 2^{2145242413131} is an apocalyptic number.

2145242413131 is a deficient number, since it is larger than the sum of its proper divisors (715308171189).

2145242413131 is a wasteful number, since it uses less digits than its factorization.

2145242413131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56841705.

The product of its digits is 23040, while the sum is 33.

Adding to 2145242413131 its reverse (1313142425412), we get a palindrome (3458384838543).

The spelling of 2145242413131 in words is "two trillion, one hundred forty-five billion, two hundred forty-two million, four hundred thirteen thousand, one hundred thirty-one".