1089314731 has 6 divisors (see below), whose sum is σ = 1104878396. Its totient is φ = 1073967300.

The previous prime is 1089314701. The next prime is 1089314747. The reversal of 1089314731 is 1374139801.

It is not a de Polignac number, because 1089314731 - 2²³ = 1080926123 is a prime.

It is a super-2 number, since 2×1089314731² = 2373213166347204722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089314701) 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, 103005 + ... + 113086.

Almost surely, 2^1089314731 is an apocalyptic number.

1089314731 is a deficient number, since it is larger than the sum of its proper divisors (15563665).

1089314731 is an frugal number, since it uses more digits than its factorization.

1089314731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216233 (or 216162 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1089314731 is about 33004.7683070189. The cubic root of 1089314731 is about 1028.9267518094.

The spelling of 1089314731 in words is "one billion, eighty-nine million, three hundred fourteen thousand, seven hundred thirty-one".