361025243731 has 4 divisors (see below), whose sum is σ = 382262022792. Its totient is φ = 339788464672.

The previous prime is 361025243701. The next prime is 361025243749. The reversal of 361025243731 is 137342520163.

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

It is a cyclic number.

It is not a de Polignac number, because 361025243731 - 2¹⁵ = 361025210963 is a prime.

It is a super-2 number, since 2×361025243731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361025243701) 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, 10618389505 + ... + 10618389538.

It is an arithmetic number, because the mean of its divisors is an integer number (95565505698).

Almost surely, 2^361025243731 is an apocalyptic number.

361025243731 is a deficient number, since it is larger than the sum of its proper divisors (21236779061).

361025243731 is a wasteful number, since it uses less digits than its factorization.

361025243731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21236779060.

The product of its (nonzero) digits is 90720, while the sum is 37.

Adding to 361025243731 its reverse (137342520163), we get a palindrome (498367763894).

The spelling of 361025243731 in words is "three hundred sixty-one billion, twenty-five million, two hundred forty-three thousand, seven hundred thirty-one".