2431213205155 has 32 divisors (see below), whose sum is σ = 3509867266560. Its totient is φ = 1579308917760.

The previous prime is 2431213205107. The next prime is 2431213205159. The reversal of 2431213205155 is 5515023121342.

It is not a de Polignac number, because 2431213205155 - 2²⁷ = 2431078987427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2431213205155.

It is not an unprimeable number, because it can be changed into a prime (2431213205159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19853715 + ... + 19975795.

It is an arithmetic number, because the mean of its divisors is an integer number (109683352080).

Almost surely, 2^{2431213205155} is an apocalyptic number.

2431213205155 is a deficient number, since it is larger than the sum of its proper divisors (1078654061405).

2431213205155 is a wasteful number, since it uses less digits than its factorization.

2431213205155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152059.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 2431213205155 its reverse (5515023121342), we get a palindrome (7946236326497).

The spelling of 2431213205155 in words is "two trillion, four hundred thirty-one billion, two hundred thirteen million, two hundred five thousand, one hundred fifty-five".