1613231132 has 48 divisors (see below), whose sum is σ = 3006599232. Its totient is φ = 755758080.

The previous prime is 1613231101. The next prime is 1613231183. The reversal of 1613231132 is 2311323161.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 1613231098 and 1613231107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1890818 + ... + 1891670.

It is an arithmetic number, because the mean of its divisors is an integer number (62637484).

Almost surely, 2^1613231132 is an apocalyptic number.

It is an amenable number.

1613231132 is a deficient number, since it is larger than the sum of its proper divisors (1393368100).

1613231132 is a wasteful number, since it uses less digits than its factorization.

1613231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1276 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 1613231132 is about 40165.0486368435. The cubic root of 1613231132 is about 1172.8222543528.

Adding to 1613231132 its reverse (2311323161), we get a palindrome (3924554293).

The spelling of 1613231132 in words is "one billion, six hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-two".