1048399231 has 12 divisors (see below), whose sum is σ = 1214946360. Its totient is φ = 897023360.

The previous prime is 1048399229. The next prime is 1048399237. The reversal of 1048399231 is 1329938401.

It is not a de Polignac number, because 1048399231 - 2¹ = 1048399229 is a prime.

It is a super-2 number, since 2×1048399231² = 2198281895122782722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048399237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161716 + ... + 168073.

It is an arithmetic number, because the mean of its divisors is an integer number (101245530).

Almost surely, 2^1048399231 is an apocalyptic number.

1048399231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1048399231 is a deficient number, since it is larger than the sum of its proper divisors (166547129).

1048399231 is a wasteful number, since it uses less digits than its factorization.

1048399231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329834 (or 329817 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1048399231 is about 32378.9936687353. The cubic root of 1048399231 is about 1015.8795811645.

The spelling of 1048399231 in words is "one billion, forty-eight million, three hundred ninety-nine thousand, two hundred thirty-one".