242015722131 has 32 divisors (see below), whose sum is σ = 339907857408. Its totient is φ = 152966741760.

The previous prime is 242015722129. The next prime is 242015722139. The reversal of 242015722131 is 131227510242.

It is not a de Polignac number, because 242015722131 - 2¹ = 242015722129 is a prime.

It is a super-2 number, since 2×242015722131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242015722139) 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, 3731526 + ... + 3795828.

It is an arithmetic number, because the mean of its divisors is an integer number (10622120544).

Almost surely, 2^242015722131 is an apocalyptic number.

242015722131 is a deficient number, since it is larger than the sum of its proper divisors (97892135277).

242015722131 is a wasteful number, since it uses less digits than its factorization.

242015722131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65211.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 242015722131 in words is "two hundred forty-two billion, fifteen million, seven hundred twenty-two thousand, one hundred thirty-one".