1631015113 has 24 divisors (see below), whose sum is σ = 2021889408. Its totient is φ = 1288265472.

The previous prime is 1631015051. The next prime is 1631015117. The reversal of 1631015113 is 3115101361.

It is not a de Polignac number, because 1631015113 - 2¹³ = 1631006921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631015117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1256881 + ... + 1258177.

It is an arithmetic number, because the mean of its divisors is an integer number (84245392).

Almost surely, 2^1631015113 is an apocalyptic number.

1631015113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1631015113 is a deficient number, since it is larger than the sum of its proper divisors (390874295).

1631015113 is a wasteful number, since it uses less digits than its factorization.

1631015113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1631015113 is about 40385.8281207653. The cubic root of 1631015113 is about 1177.1161775385.

Adding to 1631015113 its reverse (3115101361), we get a palindrome (4746116474).

The spelling of 1631015113 in words is "one billion, six hundred thirty-one million, fifteen thousand, one hundred thirteen".