3111401040 has 320 divisors, whose sum is σ = 11028794112. Its totient is φ = 718848000.

The previous prime is 3111400991. The next prime is 3111401053. The reversal of 3111401040 is 401041113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5176740 + ... + 5177340.

Almost surely, 2^3111401040 is an apocalyptic number.

3111401040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3111401040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5514397056).

3111401040 is an abundant number, since it is smaller than the sum of its proper divisors (7917393072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3111401040 is a wasteful number, since it uses less digits than its factorization.

3111401040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 3111401040 is about 55779.9340264938. The cubic root of 3111401040 is about 1459.8850600701.

Adding to 3111401040 its reverse (401041113), we get a palindrome (3512442153).

The spelling of 3111401040 in words is "three billion, one hundred eleven million, four hundred one thousand, forty".