1553133131 has 12 divisors (see below), whose sum is σ = 1797016200. Its totient is φ = 1337624640.

The previous prime is 1553133103. The next prime is 1553133137. The reversal of 1553133131 is 1313313551.

It is a de Polignac number, because none of the positive numbers 2^k-1553133131 is a prime.

It is a super-2 number, since 2×1553133131² = 4824445045219726322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1553133131.

It is not an unprimeable number, because it can be changed into a prime (1553133137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335486 + ... + 340083.

It is an arithmetic number, because the mean of its divisors is an integer number (149751350).

Almost surely, 2^1553133131 is an apocalyptic number.

1553133131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1553133131 is a deficient number, since it is larger than the sum of its proper divisors (243883069).

1553133131 is a wasteful number, since it uses less digits than its factorization.

1553133131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675610 (or 675599 counting only the distinct ones).

The product of its digits is 2025, while the sum is 26.

The square root of 1553133131 is about 39409.8100858149. The cubic root of 1553133131 is about 1158.0737777922.

Adding to 1553133131 its reverse (1313313551), we get a palindrome (2866446682).

The spelling of 1553133131 in words is "one billion, five hundred fifty-three million, one hundred thirty-three thousand, one hundred thirty-one".