1550013031 has 12 divisors (see below), whose sum is σ = 1803954240. Its totient is φ = 1327935840.

The previous prime is 1550013001. The next prime is 1550013107. The reversal of 1550013031 is 1303100551.

It is not a de Polignac number, because 1550013031 - 2²¹ = 1547915879 is a prime.

It is a super-2 number, since 2×1550013031² = 4805080792539613922, 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 (1550013001) 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, 113130 + ... + 126088.

It is an arithmetic number, because the mean of its divisors is an integer number (150329520).

Almost surely, 2^1550013031 is an apocalyptic number.

1550013031 is a deficient number, since it is larger than the sum of its proper divisors (253941209).

1550013031 is a wasteful number, since it uses less digits than its factorization.

1550013031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15414 (or 15407 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1550013031 is about 39370.2048635767. The cubic root of 1550013031 is about 1157.2977704162.

Adding to 1550013031 its reverse (1303100551), we get a palindrome (2853113582).

The spelling of 1550013031 in words is "one billion, five hundred fifty million, thirteen thousand, thirty-one".