1142101631 has 16 divisors (see below), whose sum is σ = 1268821248. Its totient is φ = 1019304000.

The previous prime is 1142101627. The next prime is 1142101643. The reversal of 1142101631 is 1361012411.

It is a happy number.

It is not a de Polignac number, because 1142101631 - 2² = 1142101627 is a prime.

It is a super-2 number, since 2×1142101631² = 2608792271065720322, 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 (1142101601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228206 + ... + 233156.

It is an arithmetic number, because the mean of its divisors is an integer number (79301328).

Almost surely, 2^1142101631 is an apocalyptic number.

1142101631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142101631 is a deficient number, since it is larger than the sum of its proper divisors (126719617).

1142101631 is a wasteful number, since it uses less digits than its factorization.

1142101631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5342.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1142101631 is about 33794.9941707348. The cubic root of 1142101631 is about 1045.2854789587.

The spelling of 1142101631 in words is "one billion, one hundred forty-two million, one hundred one thousand, six hundred thirty-one".