152744440031 has 4 divisors (see below), whose sum is σ = 157671680064. Its totient is φ = 147817200000.

The previous prime is 152744440021. The next prime is 152744440061. The reversal of 152744440031 is 130044447251.

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 152744440031 - 2¹⁴ = 152744423647 is a prime.

It is a super-2 number, since 2×152744440031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152744439973 and 152744440000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152744440021) 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, 2463619970 + ... + 2463620031.

It is an arithmetic number, because the mean of its divisors is an integer number (39417920016).

Almost surely, 2^152744440031 is an apocalyptic number.

152744440031 is a deficient number, since it is larger than the sum of its proper divisors (4927240033).

152744440031 is an equidigital number, since it uses as much as digits as its factorization.

152744440031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927240032.

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 152744440031 its reverse (130044447251), we get a palindrome (282788887282).

The spelling of 152744440031 in words is "one hundred fifty-two billion, seven hundred forty-four million, four hundred forty thousand, thirty-one".