2542231631 has 6 divisors (see below), whose sum is σ = 2612799000. Its totient is φ = 2473521336.

The previous prime is 2542231591. The next prime is 2542231661. The reversal of 2542231631 is 1361322452.

It is a happy number.

2542231631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2542231631 is a prime.

It is a super-2 number, since 2×2542231631² = 12925883331313840322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2542231594 and 2542231603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2542231661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 927131 + ... + 929868.

It is an arithmetic number, because the mean of its divisors is an integer number (435466500).

Almost surely, 2^2542231631 is an apocalyptic number.

2542231631 is a deficient number, since it is larger than the sum of its proper divisors (70567369).

2542231631 is an equidigital number, since it uses as much as digits as its factorization.

2542231631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857073 (or 1857036 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 2542231631 is about 50420.5477062675. The cubic root of 2542231631 is about 1364.8084603795.

The spelling of 2542231631 in words is "two billion, five hundred forty-two million, two hundred thirty-one thousand, six hundred thirty-one".